Update CHANGELOG.md to 3.8.0

Author: sebastianharder

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [3.2.2] - 2023-12-03
+## [3.8.0] - 2023-12-05
 ### Changed
 - New: UserDefinedStates