docs: Update v0.9.0 release date

Author: SMadani

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [0.9.0] - 2024-08-2?
+## [0.9.0] - 2024-08-19
 
 ### Added
 - Application & Users API