deploy: Use aggregated ClusterRoles

The kubernetes manifests and Helm templates have been updated to use
aggregated ClusterRoles. The same change has been done in Rook as well.

Refer rook/rook#2634 and rook/rook#2975

Signed-off-by: Kaushal M <kshlmster@gmail.com>

deploy/rbd/kubernetes/csi-provisioner-rbac.yaml

@@ -9,6 +9,18 @@ kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: rbd-external-provisioner-runner
+aggregationRule:
+  clusterRoleSelectors:
+    - matchLabels:
+        rbac.rbd.csi.ceph.com/aggregate-to-rbd-external-provisioner-runner: "true"
+rules: []
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: rbd-external-provisioner-runner-rules
+  labels:
+    rbac.rbd.csi.ceph.com/aggregate-to-rbd-external-provisioner-runner: "true"
 rules:
   - apiGroups: [""]
     resources: ["nodes"]