add changelog entry

Author: nim65s

CHANGELOG.md

@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Homogenize python viewers examples ([#2771](https://github.com/stack-of-tasks/pinocchio/pull/2771))
 - Add docker images ([#2776](https://github.com/stack-of-tasks/pinocchio/pull/2776))
+- ROS: added jrl_cmakemodules dependency ([#2789](https://github.com/stack-of-tasks/pinocchio/pull/2789))
 
 ## [3.8.0] - 2025-09-17