Update Universal_Robots_ROS2_Driver.jazzy.repos (#1269)

realtime_tools has forked out for jazzy

Author: urfeex

Universal_Robots_ROS2_Driver.jazzy.repos

@@ -34,7 +34,7 @@ repositories:
   realtime_tools:
     type: git
     url: https://github.com/ros-controls/realtime_tools.git
-    version: master
+    version: jazzy
   moveit2:
     type: git
     url: https://github.com/ros-planning/moveit2.git