Update module github.com/rabbitmq/cluster-operator/v2 to v2.16.0

Author: OpenStack K8s CI

go.mod

@@ -59,7 +59,7 @@ require (
 	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.65.0 // indirect
 	github.com/prometheus/procfs v0.16.1 // indirect
-	github.com/rabbitmq/cluster-operator/v2 v2.9.0 // indirect
+	github.com/rabbitmq/cluster-operator/v2 v2.16.0 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	go.uber.org/automaxprocs v1.6.0 // indirect