chore(deps): update dependency rabbitmq/cluster-operator to v2.16.1

Author: renovate[bot]

operators/rabbitmq-system/cluster-operator/kustomization.yaml

@@ -2,7 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  - https://github.com/rabbitmq/cluster-operator/releases/download/v2.15.0/cluster-operator.yml
+  - https://github.com/rabbitmq/cluster-operator/releases/download/v2.16.1/cluster-operator.yml
 
 # this needs to be here to remove the namespace from the above
 # because the cluster-operator defines the same namespace and it would conflict