Tag for v2.0.0

Author: chrisminett

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [2.0.0] - 2022-07-02
 ### Added
 - Add support for PHP v8
 - Type declarations have been added to all parameters and return types.