Update CHANGELOG

Author: bakpakin

CHANGELOG.md

@@ -1,8 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## Unreleased - ???
+## 1.1.1 - 2025-10-10
+- Fix `janet-pm quickbin`
 - Fix PATH separator in ps activate script
+- Prevent nested janet-pm environments on POSIX
 
 ## 1.0.1 - 2025-09-16
 - Initial release