Update CHANGELOG.md

Bump version number and WooCommerce tested version.
https://developer.woo.com/2024/02/20/woocommerce-8-6-1-fixes-to-issues-introduced-in-8-6-0/

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 1.1.27] - 2024-02-20
+
+* Bump WooCommerce tested version.
+
 ## [Version 1.1.26] - 2023-12-18
 
 * Bump WooCommerce tested version.