add to 17.0.2 to changelog

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

CHANGELOG.md

@@ -5,6 +5,15 @@ 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).
 Types of changes can be: Added/Changed/Deprecated/Removed/Fixed/Security
 
+## [17.0.2] - 2023-07-24
+
+### Fixed
+- Fix establishing of call connection to High Performance Backend when rejoining call
+
+Minimum: NC 14 Server, Android 7.0 Nougat
+
+For a full list, please see https://github.com/nextcloud/talk-android/milestone/73?closed=1
+
 ## [17.0.1] - 2023-07-07
 
 ### Fixed