Update CHANGELOG.md

Update changelog.

Author: lukecav

CHANGELOG.md

@@ -5,6 +5,10 @@ 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).
 
+## [Version 1.0.5] - 2019-05-02
+
+* Deregister block style from WooCommerce.
+
 ## [Version 1.0.4] - 2019-04-05
 
 * Remove marketplace suggestions and connect your store to WooCommerce.com admin notice.