build(deps): bump docker/metadata-action from 4.1.1 to 4.2.0 (#1043)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v4.1.1...v4.2.0)

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

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.github/workflows/docker-push.yml

@@ -12,7 +12,7 @@ jobs:
 
       - name: docker meta
         id: meta
-        uses: docker/metadata-action@v4.1.1
+        uses: docker/metadata-action@v4.2.0
         with:
           images: fsouza/fake-gcs-server
           tags: |