Merge pull request #1626 from jenkins-infra/renovate/docker-metadata-action-6.x

Update docker/metadata-action action to v6

Author: jonesbusy

.github/workflows/cd.yaml

@@ -190,7 +190,7 @@ jobs:
 
       - 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 }}
           tags: |