fix nfs autodelete issue

infrastructure/nfs/kustomization.yaml

@@ -1,9 +1,14 @@
-namespace: nfs-provisioner
-bases:
-  - github.com/kubernetes-sigs/nfs-subdir-external-provisioner//deploy
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
 
+namespace: nfs-provisioner
+
+bases:
 
 resources:
+  - github.com/kubernetes-sigs/nfs-subdir-external-provisioner//deploy
   - namespace.yaml
-patchesStrategicMerge:
-  - nfs_values.yaml
+
+patches:
+  - path: nfs_values.yaml
+  - path: storageclass_values.yaml