.github: Bump docker/metadata-action from 3.6.2 to 3.7.0 (#355)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 3.6.2 to 3.7.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v3.6.2...v3.7.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/release.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v3.6.2
+        uses: docker/metadata-action@v3.7.0
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           # Makes no sense to have an image with tag v0, hence the check in the last line.