Update CHANGELOG.md

Author: hosmelq

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased](https://github.com//plutolinks/loops-php/compare/v0.1.0...HEAD)
+
+### Fixed
+
+- Fix EventSendResponse by [HelgeSverre](https://github.com/HelgeSverre) in [#2](https://github.com/plutolinks/loops-php/pull/2)
+
 ## v0.1.0 - 2024-03-11
 
 Initial release.