Update ur_simulation_gz.jazzy.repos

Update jazzy branch for ur_description

Author: urfeex

ur_simulation_gz.jazzy.repos

@@ -30,7 +30,7 @@ repositories:
   Universal_Robots_ROS2_Description:
     type: git
     url: https://github.com/UniversalRobots/Universal_Robots_ROS2_Description.git
-    version: rolling
+    version: jazzy
   Universal_Robots_ROS2_Driver:
     type: git
     url: https://github.com/UniversalRobots/Universal_Robots_ROS2_Driver.git