Update Helm release rabbitmq to v11.15.2

This MR contains the following updates:

Package	Update	Change
rabbitmq (source)	minor	11.14.5 -> 11.15.2

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Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 3.5.12
 - name: rabbitmq
   repository: https://charts.bitnami.com/bitnami
-  version: 11.14.5
-digest: sha256:fb8a7e386597106249ba7a1f021ede5e90d82218260a73d75aa0fd36b4792681
-generated: "2023-05-09T14:18:15.098912222Z"
+  version: 11.15.2
+digest: sha256:1e71f74800b4fea7933a6d5a761ed49e43b174a752d6ce35f60c103b1f681596
+generated: "2023-05-13T22:08:52.239360726Z"