Support version 20

Author: mlojewski-me

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/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [4.6.0] - 2021-01-16
 ### Fixed
 - [issue#123](https://github.com/nextcloud/user_sql/issues/123) - sync exception - Duplicate entry
 ### Added