use the upstream image for the nfs provisioner

templates/nfs-provisioner.yaml

@@ -87,7 +87,7 @@ spec:
       serviceAccountName: nfs-client-provisioner
       containers:
         - name: nfs-client-provisioner
-          image: quay.io/external_storage/nfs-client-provisioner:latest
+          image: k8s.gcr.io/sig-storage/nfs-subdir-external-provisioner:v4.0.2
           volumeMounts:
             - name: nfs-client-root
               mountPath: /persistentvolumes