- Revert the version pin from #7706.
- Override the YAML linter config to be more forgiving.
- Update YAML lint warnings in a number of files.

The choice of which lints to fix and which to override was ad hoc: I fixed the ones that were mainly whitespace oriented, and suppressed the ones that were document-structure related.

Fixes #7707.

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.7.0 to 2.8.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/docker/build-push-action/releases">docker/build-push-action's releases</a>.</em></p>
<blockquote>
<h2>v2.8.0</h2>
<ul>
<li>Allow specifying subdirectory with default git context (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/531">#531</a>)</li>
<li>Add <code>cgroup-parent</code>, <code>shm-size</code>, <code>ulimit</code> inputs (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/501">#501</a>)</li>
<li>Don't set outputs if empty or nil (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/470">#470</a>)</li>
<li>docs: example to sanitize tags with metadata-action (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/476">#476</a>)</li>
<li>docs: wrong syntax to sanitize repo slug (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/475">#475</a>)</li>
<li>docs: test before pushing your image (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/455">#455</a>)</li>
<li>readme: remove v1 section (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/500">#500</a>)</li>
<li>ci: virtual env file system info (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/510">#510</a>)</li>
<li>dev: update workflow (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/499">#499</a>)</li>
<li>Bump <code>@​actions/core</code> from 1.5.0 to 1.6.0 (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/160">#160</a>)</li>
<li>Bump ansi-regex from 5.0.0 to 5.0.1 (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/469">#469</a>)</li>
<li>Bump tmpl from 1.0.4 to 1.0.5 (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/465">#465</a>)</li>
<li>Bump csv-parse from 4.16.0 to 4.16.3 (<a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/451">#451</a> <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/459">#459</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="1814d3dfb3"><code>1814d3d</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/531">#531</a> from BeyondEvil/subdir-with-default-context</li>
<li><a href="fc5a732e0c"><code>fc5a732</code></a> Add subdirectory for Git context</li>
<li><a href="b1aeb1103e"><code>b1aeb11</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/510">#510</a> from crazy-max/venv</li>
<li><a href="e31f93ab9f"><code>e31f93a</code></a> ci: virtual env file system info</li>
<li><a href="9ed5823618"><code>9ed5823</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/501">#501</a> from crazy-max/new-inputs</li>
<li><a href="4222161e3e"><code>4222161</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/500">#500</a> from crazy-max/readme</li>
<li><a href="67ff4df4b7"><code>67ff4df</code></a> add <code>cgroup-parent</code>, <code>shm-size</code>, <code>ulimit</code> inputs</li>
<li><a href="91274a04da"><code>91274a0</code></a> sort flags</li>
<li><a href="ff329397c0"><code>ff32939</code></a> readme: remove v1 section</li>
<li><a href="04841f2a72"><code>04841f2</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/build-push-action/issues/499">#499</a> from crazy-max/update-workflow</li>
<li>Additional commits viewable in <a href="https://github.com/docker/build-push-action/compare/v2.7.0...v2.8.0">compare view</a></li>
</ul>
</details>
<br />


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Bumps [docker/login-action](https://github.com/docker/login-action) from 1.10.0 to 1.12.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/docker/login-action/releases">docker/login-action's releases</a>.</em></p>
<blockquote>
<h2>v1.12.0</h2>
<ul>
<li>ECR: only set credentials if username and password are specified (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/128">#128</a>)</li>
<li>Refactor to use aws-sdk v3 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/128">#128</a>)</li>
</ul>
<h2>v1.11.0</h2>
<ul>
<li>ECR: switch implementation to use the AWS SDK (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/126">#126</a>)</li>
<li><code>ecr</code> input to specify whether the given registry is ECR (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/123">#123</a>)</li>
<li>Test against Windows runner (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/126">#126</a>)</li>
<li>Update instructions for Google registry (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/127">#127</a>)</li>
<li>Update dev workflow (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/111">#111</a>)</li>
<li>Small changes for GHCR doc (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/86">#86</a>)</li>
<li>Update dev dependencies (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/85">#85</a>)</li>
<li>Bump ansi-regex from 5.0.0 to 5.0.1 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/101">#101</a>)</li>
<li>Bump tmpl from 1.0.4 to 1.0.5 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/100">#100</a>)</li>
<li>Bump <code>@​actions/core</code> from 1.4.0 to 1.6.0 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/94">#94</a> <a href="https://github-redirect.dependabot.com/docker/login-action/issues/103">#103</a>)</li>
<li>Bump codecov/codecov-action from 1 to 2 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/88">#88</a>)</li>
<li>Bump hosted-git-info from 2.8.8 to 2.8.9 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/83">#83</a>)</li>
<li>Bump node-notifier from 8.0.0 to 8.0.2 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/82">#82</a>)</li>
<li>Bump ws from 7.3.1 to 7.5.0 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/81">#81</a>)</li>
<li>Bump lodash from 4.17.20 to 4.17.21 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/80">#80</a>)</li>
<li>Bump y18n from 4.0.0 to 4.0.3 (<a href="https://github-redirect.dependabot.com/docker/login-action/issues/79">#79</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="42d299face"><code>42d299f</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/login-action/issues/130">#130</a> from crazy-max/ci-workflow</li>
<li><a href="4858b0b5ea"><code>4858b0b</code></a> Update ci workflow</li>
<li><a href="1d7d8649e7"><code>1d7d864</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/login-action/issues/128">#128</a> from Flydiverny/aws-sdk-v3</li>
<li><a href="58855695bb"><code>5885569</code></a> refactor: use v3 sdk</li>
<li><a href="d9927c4142"><code>d9927c4</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/login-action/issues/123">#123</a> from crazy-max/ecr-input</li>
<li><a href="b9a4d91ee5"><code>b9a4d91</code></a> ecr input to specify whether the given registry is ECR</li>
<li><a href="b20b9f5e31"><code>b20b9f5</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/login-action/issues/126">#126</a> from crazy-max/aws-sdk</li>
<li><a href="cb21399f71"><code>cb21399</code></a> ci: test against windows runner</li>
<li><a href="faae4d6665"><code>faae4d6</code></a> ecr: switch implementation to use the AWS SDK</li>
<li><a href="4d84a3c20f"><code>4d84a3c</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/docker/login-action/issues/127">#127</a> from crazy-max/carry-124</li>
<li>Additional commits viewable in <a href="https://github.com/docker/login-action/compare/v1.10.0...v1.12.0">compare view</a></li>
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Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 to 2.4.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/actions/checkout/releases">actions/checkout's releases</a>.</em></p>
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<h2>v2.4.0</h2>
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<li><a href="ec3a7ce113"><code>ec3a7ce</code></a> set insteadOf url for org-id (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/621">#621</a>)</li>
<li><a href="fd47087372"><code>fd47087</code></a> codeql should analyze lib not dist (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/620">#620</a>)</li>
<li><a href="3d677ac575"><code>3d677ac</code></a> script to generate license info (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/614">#614</a>)</li>
<li><a href="826ba42d6c"><code>826ba42</code></a> npm audit fix (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/612">#612</a>)</li>
<li><a href="eb8a193c1d"><code>eb8a193</code></a> update dev dependencies and react to new linting rules (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/611">#611</a>)</li>
<li><a href="c49af7ca1f"><code>c49af7c</code></a> Create codeql-analysis.yml (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/602">#602</a>)</li>
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Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.3.5.
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<li><a href="be0f448456"><code>be0f448</code></a> Bump ws from 5.2.2 to 5.2.3 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/604">#604</a>)</li>
<li><a href="56c00a7b1f"><code>56c00a7</code></a> Bump tmpl from 1.0.4 to 1.0.5 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/588">#588</a>)</li>
<li><a href="85e47d1a2b"><code>85e47d1</code></a> Bump path-parse from 1.0.6 to 1.0.7 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/568">#568</a>)</li>
<li><a href="3fc17f8645"><code>3fc17f8</code></a> Bump hosted-git-info from 2.8.5 to 2.8.9 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/500">#500</a>)</li>
<li><a href="e3bc06d986"><code>e3bc06d</code></a> Bump lodash from 4.17.15 to 4.17.21 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/499">#499</a>)</li>
<li><a href="442567ba57"><code>442567b</code></a> Bump handlebars from 4.5.3 to 4.7.7 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/497">#497</a>)</li>
<li><a href="7f00b66d06"><code>7f00b66</code></a> Bump y18n from 4.0.0 to 4.0.1 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/469">#469</a>)</li>
<li><a href="eccf386318"><code>eccf386</code></a> Bump <code>@​actions/core</code> from 1.1.3 to 1.2.6 (<a href="https://github-redirect.dependabot.com/actions/checkout/issues/361">#361</a>)</li>
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Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.6.1 to 2.7.0.
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Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.4.1 to 1.5.0.
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Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.5.0 to 2.6.1.
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- [Commits](https://github.com/docker/build-push-action/compare/v2.5.0...v2.6.1)

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Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.4.0 to 1.4.1.
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Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.3.0 to 1.4.0.
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Bumps [docker/login-action](https://github.com/docker/login-action) from 1.9.0 to 1.10.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/v1.9.0...v1.10.0)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.4.0 to 2.5.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v2.4.0...v2.5.0)

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Bumps [docker/login-action](https://github.com/docker/login-action) from 1 to 1.9.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/v1...v1.9.0)

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Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 2.3.4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v2.3.4)

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Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 2.4.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v2...v2.4.0)

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Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from v1.2.0 to v1.3.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v1.2.0...0d135e0c2fc0dba0729c1a47ecfcf5a3c7f8579e)

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Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from v1.1.2 to v1.2.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v1.1.2...012185ccbeb554a7f5f987bea0f1a73519b3cdf5)

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Co-authored-by: Sam Kleinman <garen@tychoish.com>

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from v1 to v1.1.2.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v1...2a4b53665e15ce7d7049afb11ff1f70ff1610609)

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Co-authored-by: Marko <marbar3778@yahoo.com>

Replace defer with t.Cleanup().

Replace the combination of ioutil.TempDir, error checking
and defer os.RemoveAll() with Go testing.T's new TempDir()
helper.

Mark auxiliary functions as test helpers.