Add release 0.22.2

Author: dominikbraun

CHANGELOG.md

@@ -5,6 +5,11 @@ 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/),  and this project
 adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.22.2] - 2023-06-06
+
+### Fixed
+* Fixed the major performance issues of `StableTopologicalSort`.
+
 ## [0.22.1] - 2023-06-05
 
 ### Fixed