fix(controller): kubernetes pod/exec cluster role

Author: duanhongyi

charts/controller/templates/controller-clusterrole.yaml

@@ -33,7 +33,7 @@ rules:
   verbs: ["get"]
 - apiGroups: [""]
   resources: ["pods/exec"]
-  verbs: ["create"]
+  verbs: ["get", "create"]
 - apiGroups: [""]
   resources: ["pods"]
   verbs: ["get", "list", "create", "delete"]