update CHANGELOG with new version

Author: lavrton

CHANGELOG.md

@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 10.2.0 (2026-01-15)
+
+- Added `rotateAnchorAngle` property to `Transformer` to control the position of the rotation anchor around the bounding box
+
 ## 10.1.0 (2026-01-14)
 
 - Added underline offset option and related test for Text Annotation