update CHANGELOG for version 0.5.0 release date

Author: liorcodev

CHANGELOG.md

@@ -5,9 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
 
-## [0.5.0] - 2026-01-22 (Not yet published)
+## [0.5.0] - 2026-01-22
 
 ### Added