Bugfixes:

 - Fix disable_buffering regression

 - Bring back support for ssh identity file

 - Cleanup remaining python-2 dependencies

 - Fix image save example in docs

Miscellaneous:

 - Bump urllib3 to 1.26.5

 - Bump requests to 2.26.0

Signed-off-by: Javier Marcet <javier@marcet.info>

Breaking changes:

- Remove support for Python 2.7

- Make Python 3.6 the minimum version supported

Features:

- Add limit parameter to image search endpoint

Bugfixes:

- Fix KeyError exception on secret create

- Verify TLS keys loaded from docker contexts

- Update PORT_SPEC regex to allow square brackets for IPv6 addresses

- Fix containers and images documentation examples

Signed-off-by: Javier Marcet <javier@marcet.info>

Bugfixes:

- Remove LD_LIBRARY_PATH and SSL_CERT_FILE environment variables when
shelling out to the ssh client.

Signed-off-by: Javier Marcet <javier@marcet.info>

Bugfixes:

- Fix SSH port parsing when shelling out to the ssh client

Signed-off-by: Javier Marcet <javier@marcet.info>

Signed-off-by: Javier Marcet <javier@marcet.info>

Signed-off-by: Javier Marcet <javier@marcet.info>

Signed-off-by: Javier Marcet <javier@marcet.info>

Signed-off-by: Javier Marcet <javier@marcet.info>

These packages were in the PR stage when the cleanup occurred and so
still had VARIANT:=python3.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

Signed-off-by: Javier Marcet <javier@marcet.info>