Merge pull request #15 from etkecc/renovate/docker-metadata-action-6.x

Update docker/metadata-action action to v6

Author: aine-etke

.github/workflows/workflow.yml

@@ -26,7 +26,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ghcr.io/${{ github.repository }}