chore(deps): update docker/metadata-action digest to 8d8c7c1

Author: renovate[bot]

.github/workflows/publish.yml

@@ -35,7 +35,7 @@ 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@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        uses: docker/metadata-action@8d8c7c12f7b958582a5cb82ba16d5903cb27976a
         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 and the DO registry for k8s.