feat(rbac): add permissions for backup repositories in cluster role (#5939)

feat(rbac): delete rbac cronjob

Signed-off-by: cuisongliu <cuisongliu@qq.com>

frontend/providers/cronjob/deploy/manifests/rbac.yaml

@@ -1,27 +0,0 @@
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: cluster-version-reader
-  namespace: dbprovider-frontend
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  name: cluster-version-reader
-rules:
-  - apiGroups: ["apps.kubeblocks.io"]
-    resources: [ "clusterversions" ]
-    verbs: [ "get", "watch", "list"]
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRoleBinding
-metadata:
-  name: cluster-version-reader-rolebinding
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: cluster-version-reader
-subjects:
-  - kind: ServiceAccount
-    name: cluster-version-reader
-    namespace: dbprovider-frontend