📝 [skip ci] Updated CHANGELOG

Author: kzscisoft

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Change Log
 
+## [v2.2.1](https://github.com/simvue-io/client/releases/tag/v2.2.1) - 2025-10-13
+
+- Enforced use of UTC for all datetime recording.
+- Added support for Python3.14.
+
 ## [v2.2.0](https://github.com/simvue-io/client/releases/tag/v2.2.0) - 2025-09-22
 
 - Improves handling of Conda based environments in metadata collection.