Prepare to release version 3.0.0

Signed-off-by: Isaac Bennetch <[email protected]>

Author: ibennetch

CHANGELOG.md

@@ -3,9 +3,10 @@ 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/).
 
-## [Unreleased]
+## [3.0.0] - 2021-02-05
 ### Added
 - Support for PHPUnit 8 and 9
+- Support PHP 8
 
 ### Changed
 - Enable strict mode on PHP files