Update changelog

Author: Matoking

CHANGELOG.md

@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
  - Fix detection for custom compatibility tools installed outside Steam directory
  - Fix detection for custom compatibility tool placing their manifest directly under `compatibilitytools.d` directory
+ - Fix crash caused by minimal appmanifest files which can be generated by tools like _NonSteamLaunchers Docky Loader Version_
 
 ## [1.13.1] - 2025-11-15
 ### Fixed