fix(vault): update storage class name

platform/vault/templates/cr.yaml

@@ -260,24 +260,9 @@ kind: PersistentVolumeClaim
 metadata:
   name: vault-file
 spec:
-  # https://kubernetes.io/docs/concepts/storage/persistent-volumes/#class-1
-  # storageClassName: ""
+  storageClassName: longhorn
   accessModes:
     - ReadWriteOnce
   resources:
     requests:
       storage: 1Gi
-
-# ---
-# apiVersion: v1
-# kind: PersistentVolume
-# metadata:
-#   name: vault-file
-# spec:
-#   capacity:
-#     storage: 1Gi
-#   accessModes:
-#   - ReadWriteOnce
-#   persistentVolumeReclaimPolicy: Recycle
-#   hostPath:
-#     path: /vault/file