【fix sonar】 ExecutorRouteRandom.java文件

jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRandom.java

@@ -17,7 +17,7 @@ public class ExecutorRouteRandom extends ExecutorRouter {
     @Override
     public ReturnT<String> route(TriggerParam triggerParam, List<String> addressList) {
         String address = addressList.get(localRandom.nextInt(addressList.size()));
-        return new ReturnT<String>(address);
+        return new ReturnT<>(address);
     }
 
 }