GONRG-7055: Upgrade RabbitMQ

helm/osdu-infra-onprem/Chart.yaml

@@ -51,7 +51,7 @@ dependencies:
   - name: rabbitmq
     # Check compatibility with community plugin(s)
     # (values.rabbit.communityPlugin) when changing version of chart and application
-    version: 11.9.0
+    version: 11.15.0
     repository: oci://community.opengroup.org:5555/osdu/platform/deployment-and-operations/base-containers-gcp/rabbitmq-helm-chart/gc-helm
     condition: rabbitmq.enabled
   - name: gc-bootstrap-rabbitmq-on-prem