chore(@mendix/accordion-web): update changelog

Author: uicontent

packages/pluggableWidgets/accordion-web/CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [2.3.4] - 2025-02-13
+
 ### Fixed
 
 -   We fixed an issue where the initial collapsed state sometimes wouldn't update the accordion.