Fix release date for v2.0.3

Author: Ibrahim Jarif

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/en/1.0.0/)
 and this project adheres to [Serialization Versioning](VERSIONING.md).
 
-## [2.0.3] - 2020-03-24
+## [2.0.3] - 2020-03-27
 
 ### Fixed