Update docker/build-push-action@v2

[ctizen]

Next message comes in containers build pipeline:

Warning: The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Update docker/build-push-action@v2 to recent version to fix