Release v2.2

Author: jalukse

CHANGELOG.md

@@ -2,7 +2,7 @@
 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
+## [2.2] - 2022-02-22
 
 ### Changed
 - Reduced number of external dependencies by removing commons-lang3, commons-io, commons-codec.