build(deps): Bump github.com/tendermint/tm-db from 0.6.3 to 0.6.4 (#6073)

Bumps [github.com/tendermint/tm-db](https://github.com/tendermint/tm-db) from 0.6.3 to 0.6.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/tendermint/tm-db/releases">github.com/tendermint/tm-db's releases</a>.</em></p>
<blockquote>
<h2>v0.6.4</h2>
<p><a href="https://github.com/tendermint/tm-db/blob/v0.6.4/CHANGELOG.md#064">https://github.com/tendermint/tm-db/blob/v0.6.4/CHANGELOG.md#064</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/tendermint/tm-db/blob/master/CHANGELOG.md">github.com/tendermint/tm-db's changelog</a>.</em></p>
<blockquote>
<h2>0.6.4</h2>
<p><strong>2021-02-09</strong></p>
<p>Bump protobuf to 1.3.2 and grpc to 1.35.0.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="6f9a08cd45"><code>6f9a08c</code></a> update changelog for v0.6.4 (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/150">#150</a>)</li>
<li><a href="4de5f6b9a4"><code>4de5f6b</code></a> CODEOWNERS: remove erikgrinaker (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/148">#148</a>)</li>
<li><a href="9f5cde003a"><code>9f5cde0</code></a> build(deps): bump google.golang.org/grpc from 1.33.2 to 1.35.0 (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/143">#143</a>)</li>
<li><a href="c606a78361"><code>c606a78</code></a> build(deps): bump github.com/stretchr/testify from 1.6.1 to 1.7.0 (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/142">#142</a>)</li>
<li><a href="0438145e16"><code>0438145</code></a> build(deps): bump github.com/gogo/protobuf from 1.3.1 to 1.3.2 (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/140">#140</a>)</li>
<li><a href="f2b292dfc2"><code>f2b292d</code></a> testing: docker deployment (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/144">#144</a>)</li>
<li><a href="3157a92898"><code>3157a92</code></a> changelog: update with 0.5.2 release (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/138">#138</a>)</li>
<li>See full diff in <a href="https://github.com/tendermint/tm-db/compare/v0.6.3...v0.6.4">compare view</a></li>
</ul>
</details>
<br />


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go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/viper v1.7.1
 	github.com/stretchr/testify v1.7.0
-	github.com/tendermint/tm-db v0.6.3
+	github.com/tendermint/tm-db v0.6.4
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9
 	golang.org/x/net v0.0.0-20201021035429-f5854403a974
 	google.golang.org/grpc v1.35.0

go.sum

@@ -540,6 +540,8 @@ github.com/tendermint/tm-db v0.6.2 h1:DOn8jwCdjJblrCFJbtonEIPD1IuJWpbRUUdR8GWE4R
 github.com/tendermint/tm-db v0.6.2/go.mod h1:GYtQ67SUvATOcoY8/+x6ylk8Qo02BQyLrAs+yAcLvGI=
 github.com/tendermint/tm-db v0.6.3 h1:ZkhQcKnB8/2jr5EaZwGndN4owkPsGezW2fSisS9zGbg=
 github.com/tendermint/tm-db v0.6.3/go.mod h1:lfA1dL9/Y/Y8wwyPp2NMLyn5P5Ptr/gvDFNWtrCWSf8=
+github.com/tendermint/tm-db v0.6.4 h1:3N2jlnYQkXNQclQwd/eKV/NzlqPlfK21cpRRIx80XXQ=
+github.com/tendermint/tm-db v0.6.4/go.mod h1:dptYhIpJ2M5kUuenLr+Yyf3zQOv1SgBZcl8/BmWlMBw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=