chore(@mendix/app-events-web): update changelog

Author: uicontent

packages/pluggableWidgets/events-web/CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [1.2.0] - 2025-11-07
+
 ### Fixed
 
 - We fixed an issue with burst executon in inactive tabs.