controller requires permission to update secrets (openshift#1663)

Author: MHBauer

Diff for: charts/catalog/templates/rbac.yaml

@@ -80,7 +80,7 @@ items:
   # TODO: do not grant global access, limit to particular secrets referenced from servicebindings
   - apiGroups: [""]
     resources: ["secrets"]
-    verbs:     ["get","create","delete"]
+    verbs:     ["get","create","update","delete"]
   - apiGroups: [""]
     resources: ["namespaces"]
     verbs:     ["get","list","watch"]