fix(charts): controller needs the "patch" perm

The controller updates by "patch" which is now a separate perm in
apps/v1 from the looks of things. Turns out there wasn't ever any Python
code change needed to tackle this long-standing straggler issue! *whew*

charts/controller/templates/controller-clusterrole.yaml

@@ -46,7 +46,7 @@ rules:
   verbs: ["get", "list", "create", "update", "delete"]
 - apiGroups: ["extensions", "apps"]
   resources: ["deployments/scale", "replicasets/scale"]
-  verbs: ["get", "update"]
+  verbs: ["get", "update", "patch"]
 - apiGroups: ["extensions", "autoscaling"]
   resources: ["horizontalpodautoscalers"]
   verbs: ["get", "list", "create", "update", "delete"]