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

.gitea/workflows/release.yml

@@ -85,7 +85,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           tags: type=semver,pattern=v{{version}},value=${{ needs.tag.outputs.tag_name }}
           images: |
@@ -101,7 +101,7 @@ jobs:
           printf "Tags:\n${{ steps.meta.outputs.tags }}"
 
       - name: Build images
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: false