add 2.3.7 changelog

Author: NMGuner

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).
 
+## [2.3.7] - 2024-08-22
+- Updated iOS native SDK version to 2.6.22
+- Added Kotlin Gradle Plugin
+
 ## [2.3.6] - 2024-08-06
 - Updated Android native SDK version to 2.6.19