chore(deps): update docker/metadata-action action to v4.6.0

Author: renovate[bot]

.github/workflows/docker-cd.yml

@@ -53,7 +53,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - id: docker_meta
-        uses: docker/metadata-action@v4.4.0
+        uses: docker/metadata-action@v4.6.0
         with:
           images: ghcr.io/sigstore/sample-honk
           tags: type=sha,format=long