Add Missing RBAC to Helm Installer

The RBAC for the Helm installer has been updated to include missing
"patch"  permissions, specifically as required to label various
resources during the installation using the "kubectl label" command.

[ch12076]

Author: andrewlecuyer

installers/helm/templates/rbac.yaml

@@ -47,6 +47,7 @@ rules:
       - get
       - create
       - delete
+      - patch
   - apiGroups:
       - ''
     resources:
@@ -58,6 +59,7 @@ rules:
       - create
       - delete
       - list
+      - patch
   - apiGroups:
       - ''
     resources: