OXDEV-8462 Decide on the next version number by last changes

Signed-off-by: Anton Fedurtsya <anton@fedurtsya.com>

CHANGELOG.md

@@ -4,7 +4,7 @@ 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/).
 
-## [undecided] - unreleased
+## [v2.2.0] - unreleased
 
 ### Added
 - Admin controller