Revert broken image url (kubeflow#1196)

Signed-off-by: lucferbux <[email protected]>

Author: lucferbux

manifests/kustomize/options/ui/base/kustomization.yaml

@@ -9,5 +9,5 @@ resources:
 
 images:
 - name: model-registry-ui
-  newName: quay.io/lferrnan/model-registry-ui
+  newName: ghcr.io/kubeflow/model-registry/ui
   newTag: latest