fix(postgres): Add missing deployment of aggregation roles

This patch instructs the helm chart to deploy the aggreation role, to
allow the namespace admin role to create and manage postgres clusters.

infrastructure/postgres/release.yaml

@@ -21,6 +21,8 @@ spec:
   upgrade:
     crds: CreateReplace
   values:
+    rbac:
+      createAggregateClusterRoles: true
     configGeneral:
       sidecars:
         - name: "exporter"