close #20, bump 1.2.4

Author: eviltik

CHANGELOG.md

@@ -4,6 +4,10 @@ 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).
 
+## 1.2.4 - 2019-07-19
+### Changed
+* packages maintenance [#20](https://github.com/udger/udger-updater-nodejs/issues/20)
+
 ## 1.2.3 - 2019-05-31
 ### Changed
 * packages maintenance