Update CHANGELOG.md

Author: vohmar

CHANGELOG.md

@@ -1,5 +1,8 @@
 10.09.2025
 * Improved test coverage of admin/settings_controller https://github.com/internetee/registry/pull/2852
+* Improved test coverage of registry_lock_controller https://github.com/internetee/registry/pull/2850
+* Domain Versions Controller Tests https://github.com/internetee/registry/pull/2844
+* Added test coverage/admin/contacts controller https://github.com/internetee/registry/pull/2843
 
 05.09.2025
 * Added reports module to admin https://github.com/internetee/registry/issues/2749