Bump docker/metadata-action from 3.7.0 to 4.0.1 (#61)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 3.7.0 to 4.0.1.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Upgrade guide](https://github.com/docker/metadata-action/blob/master/UPGRADE.md)
- [Commits](docker/metadata-action@v3.7.0...v4.0.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish_docker.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v3.7.0
+        uses: docker/metadata-action@v4.0.1
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}