Update the changelog

Author: shepmaster

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/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.0.0] - Unreleased
+## [2.0.0] - 2024-10-18
 
 [2.0.0]: https://github.com/shepmaster/twox-hash/tree/v2.0.0