Use jazzy branch for realtime_tools (#1508)

Author: christophfroehlich

ros2_controllers.jazzy.repos

@@ -6,7 +6,7 @@ repositories:
   realtime_tools:
     type: git
     url: https://github.com/ros-controls/realtime_tools.git
-    version: master
+    version: jazzy
   control_msgs:
     type: git
     url: https://github.com/ros-controls/control_msgs.git