Add the change to release_notes

Author: Juliaj

doc/release_notes.rst

@@ -4,3 +4,7 @@ Release Notes: Kilted Kaiju to Lyrical Luth
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 This list summarizes important changes between Kilted Kaiju (previous) and Lyrical Luth (current) releases.
+
+force_torque_sensor_broadcaster
+*******************************
+* Added support for transforming Wrench messages to a given list of target frames. This is useful when applications need force/torque data in their preferred coordinate frames. (`#2021 <https://github.com/ros-controls/ros2_controllers/pull/2021/files>`__).