Bump docker/metadata-action

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7 to 232fc64e3a4e54539e087c5976439ea54be0959d.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@9ec57ed...232fc64)

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

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

.github/workflows/publish-docker-image.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        uses: docker/metadata-action@232fc64e3a4e54539e087c5976439ea54be0959d
         with:
           images: my-docker-hub-namespace/my-docker-hub-repository