Update CHANGELOG.

Author: LebJe

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.0.3](https://github.com/LebJe/toml.lua/releases/tag/0.0.3) - 2021-11-?
+## [0.0.3](https://github.com/LebJe/toml.lua/releases/tag/0.0.3) - 2021-11-08
 
 ### Added