OXDEV-9642 - Update CHANGELOG with services.yaml cleanup

- Fix format to match other modules
- Add services.yaml cleanup to changelog entry

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: hkreuter

CHANGELOG.md

@@ -6,11 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [5.0.0] - Unreleased
 
-### Added
-- Support for OXID eShop 7.5
-
 ### Changed
-- Require PHP 8.3 or higher
+- Updated to work with OXID eShop 7.5.x
+- Minimum PHP version is now 8.3, tested up to PHP 8.5
+- Services are no longer auto-detected, explicit services.yaml files added per component
 
 ## [4.2.0] - 2025-11-04