Bump docker/metadata-action (#20)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from f7b4ed12385588c3f9bc252f0a2b520d83b52d48 to a64d0487d7069df33b279515d35d60fa80e2ea62.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@f7b4ed1...a64d048)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-type: direct:production
...

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

.github/workflows/ci.yml

@@ -85,7 +85,7 @@ jobs:
       # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@f7b4ed12385588c3f9bc252f0a2b520d83b52d48
+        uses: docker/metadata-action@a64d0487d7069df33b279515d35d60fa80e2ea62
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.