chore(deps): update docker/metadata-action action to v6

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -63,7 +63,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}