Update changelog

Author: Goooler

docs/changes/README.md

@@ -3,6 +3,10 @@
 
 ## [Unreleased](https://github.com/GradleUp/shadow/compare/9.1.0...HEAD) - 2025-xx-xx
 
+### Added
+
+- Support relocating Groovy extensions in Module descriptors. ([#1705](https://github.com/GradleUp/shadow/pull/1705))
+
 ### Changed
 
 - Merge Gradle Module descriptors into the modern `META-INF` path. ([#1706](https://github.com/GradleUp/shadow/pull/1706))