Update docker/metadata-action action to v6

.gitea/workflows/docker-build-and-push.yml

@@ -38,7 +38,7 @@ jobs:
           echo "Major: $MAJOR, Minor: $MINOR"
       - 
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v4.0.0
+        uses: docker/setup-qemu-action@v3.7.0
       - 
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.12.0
@@ -60,7 +60,7 @@ jobs:
       - 
         name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5.10.0
+        uses: docker/metadata-action@v6.0.0
         with:
           images: |
             ghcr.io/${{ vars.GH_USERNAME }}/icons