update chgl

Author: akihironitta

src/lightning_app/CHANGELOG.md

@@ -40,6 +40,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed Registration for CloudComputes of Works in `L.app.structures` ([#15964](https://github.com/Lightning-AI/lightning/pull/15964))
 
 
+- Fixed `PythonServer` messaging "Your app has started" ([#15989](https://github.com/Lightning-AI/lightning/pull/15989))
+
+
 ## [1.8.4] - 2022-12-08
 
 ### Added