Update changelog

Author: zolstein

edge-ws/CHANGELOG.md

@@ -6,6 +6,7 @@ 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).
 
 ## [Unreleased]
+* Respect payload length of control messages
 
 ## [0.4.0] - 2025-01-02
 * Option to erase the generics from the IO errors