update clusterrole.yaml (zalando#2762)

* update clusterrole.yaml
* Update charts/postgres-operator/templates/clusterrole.yaml

---------

Co-authored-by: Felix Kunde <[email protected]>

Author: prasadkris

charts/postgres-operator/templates/clusterrole.yaml

@@ -140,8 +140,8 @@ rules:
   - delete
   - get
   - list
-{{- if toString .Values.configKubernetes.storage_resize_mode | eq "pvc" }}
   - patch
+{{- if toString .Values.configKubernetes.storage_resize_mode | eq "pvc" }}
   - update
 {{- end }}
  # to read existing PVs. Creation should be done via dynamic provisioning