updated changelog

Signed-off-by: Christoph Massmann <[email protected]>

Author: ma4nn

CHANGELOG.md

@@ -4,13 +4,18 @@ 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/).
 
+## [2.2.0] - 2021-02-05
+### Added
+- Added support for PHP 8
+- Updated PDF libraries
+
 ## [2.1.0] - 2020-12-19
 ### Added
 - Total page count is now available via placeholder `__PDF_TPC__` 
 
 ## [2.0.0] - 2020-11-05
 ### Changed
-- Upgraded DomPPDF dependency to 0.8.6 and added chroot setting
+- Upgraded DomPDF dependency to 0.8.6 and added chroot setting
 
 ## [1.4.0] - 2020-10-15
 ### Changed