Fix unknown/unknown images

See eclipse/kuksa.val#752

.github/workflows/kuksa-client.yml

@@ -90,6 +90,9 @@ jobs:
         tags: |
           ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
+        # Provenance to solve that an unknown/unkown image is shown on ghcr.io
+        # Same problem as described in https://github.com/orgs/community/discussions/45969
+        provenance: false
 
     - name: Build ephemeral KUKSA command line client docker and push to ttl.sh
       if: needs.check_ghcr_push.outputs.push == 'false'
@@ -103,6 +106,9 @@ jobs:
         push: true
         tags: "ttl.sh/kuksa-python-sdk/kuksa-client-${{github.sha}}"
         labels: ${{ steps.meta.outputs.labels }}
+        # Provenance to solve that an unknown/unkown image is shown on ghcr.io
+        # Same problem as described in https://github.com/orgs/community/discussions/45969
+        provenance: false
 
     # Shall later be a kuksa-actions call
     - name: Posting temporary container location