Updates changelog

Author: nunomaduro

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [v2.1.0]
+### Added
+- Support for Laravel 9
+
 ## [v2.0.1]
 ### Fixed
 - Fix double slash when inspect absolute folder path at first level of root ([#509](https://github.com/nunomaduro/phpinsights/pull/509))