Update changelog

Author: glazrtom

CHANGELOG.MD

@@ -4,6 +4,13 @@ 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).
 
+## [v2.9.0] - 2025-12-10
+### Changed
+- Upgraded debian version to `trixie`
+- Added repository and key for Google cloud CLI
+- Fixed other non-working apt dependencies
+- Minor refactor of environment variables
+
 ## [v2.8.0] - 2025-12-04
 ### Changed
 - Update danger kotlin to 1.3.4