Update CHANGELOG

Author: ajanikow

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Change Log
 
 ## [master](https://github.com/arangodb/kube-arangodb/tree/master) (N/A)
+
+## [1.2.22](https://github.com/arangodb/kube-arangodb/tree/1.2.22) (2022-12-13)
 - (Bugfix) Do not manage ports in managed ExternalAccess mode
 
 ## [1.2.21](https://github.com/arangodb/kube-arangodb/tree/1.2.21) (2022-12-13)