Update changelog

Author: Mark Walet

CHANGELOG.md

@@ -1,10 +1,14 @@
 # Release Notes
 
-## [Unreleased](https://github.com/markwalet/laravel-packagist/compare/v1.0.0...master)
+## [Unreleased](https://github.com/markwalet/laravel-packagist/compare/v1.2.0...master)
+## [v1.2.0 (2020-12-13)](https://github.com/markwalet/laravel-packagist/compare/v1.1.0...v1.2.0)
+
+### Added 
+- Added PHP 8 support.
 
 ## [v1.1.0 (2020-10-01)](https://github.com/markwalet/laravel-packagist/compare/v1.0.0...v1.1.0)
 
-## Added
+### Added
 - Added Laravel 8 support.
 
 ## v1.0.0 (2020-04-08)