Use mode=max

Author: lucacome

.github/workflows/ci.yml

@@ -190,7 +190,7 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          provenance: ${{ github.event_name != 'pull_request' }}
+          provenance: ${{ github.event_name != 'pull_request' && 'mode=max' || 'false' }}
           sbom: ${{ github.event_name != 'pull_request' }}
 
       - name: Scan image