Update Helm release rabbitmq to v11.15.4

This MR contains the following updates:

Package	Update	Change
rabbitmq (source)	patch	11.15.3 -> 11.15.4

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Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 3.5.12
 - name: rabbitmq
   repository: https://charts.bitnami.com/bitnami
-  version: 11.15.3
-digest: sha256:efe4e34f8bb6928c4f0b14a51d0834238aa5f2243b78d6e07a596d3942ccddba
-generated: "2023-05-21T22:10:58.626546971Z"
+  version: 11.15.4
+digest: sha256:22185aa385b21b97ebabfaf26a9f37477e12d8e1192770b3f2ce2bea8ae17583
+generated: "2023-05-29T22:12:30.085589626Z"