Merge pull request #37 from patchlevel/renovate/docker-metadata-action-6.x

Update docker/metadata-action action to v6

Author: DavidBadura

.github/workflows/ci.yaml

@@ -55,7 +55,7 @@ jobs:
 
       - name: Extract metadata (labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ env.IMAGE_NAME }}
           tags: |