Update CHANGELOG.md

Author: Scienfitz

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.12.2] - 2025-01-31
+### Changed
+- More robust settings for the GP fitting
+
 ## [0.12.1] - 2025-01-29
 ### Changed
 - Default of `allow_recommending_already_recommended` is changed back to `False`