docs (CHANGELOG): add change log for 1.6.2

Author: firestar300

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](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.6.2 - 2024-12-17
+
+- Add new event `onInit` option for Accordion component.
+
 ## 1.6.1 - 2024-12-17
 
 - Fix build.