update CHANGELOG for version 0.2.9 (#496)

Author: OliverMKing

CHANGELOG.md

@@ -5,6 +5,11 @@ 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).
 
+## [0.2.9] - 2025-09-10
+
+### Fixed
+- fixed spc cloud name key - [link](https://github.com/Azure/aks-app-routing-operator/pull/494)
+
 ## [0.2.7-1] - 2025-08-15
 
 ### Changed