Bump default rmq to 3.10.2

Author: ChunyiLyu

README.md

@@ -37,7 +37,7 @@ under `site/kubernetes`.
 
 ## Supported Versions
 
-The operator deploys RabbitMQ `3.10.1` by default, and supports versions from `3.8.8` upwards. The operator requires Kubernetes `1.19` or newer.
+The operator deploys RabbitMQ `3.10.2` by default, and supports versions from `3.8.8` upwards. The operator requires Kubernetes `1.19` or newer.
 
 ## Versioning
 

main.go

@@ -45,7 +45,7 @@ func init() {
 func main() {
 	var (
 		metricsAddr             string
-		defaultRabbitmqImage    = "rabbitmq:3.10.1-management"
+		defaultRabbitmqImage    = "rabbitmq:3.10.2-management"
 		defaultUserUpdaterImage = "rabbitmqoperator/default-user-credential-updater:1.0.2"
 		defaultImagePullSecrets = ""
 	)