Update Helm rbac rules (#370)

Author: regadas

config/rbac/role.yaml

@@ -123,6 +123,12 @@ rules:
       - get
       - list
       - watch
+  - apiGroups:
+      - "policy"
+    resources:
+      - poddisruptionbudgets/status
+    verbs:
+      - get
   - apiGroups:
       - ""
     resources: