Updated changelog

Author: vishalnarkhede

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [2.2.1] 2021-02-03
+
+For push notifications, we usually recommend users to disconnect websocket when app goes to background and reconnect when app comes to foreground. But channel list UI doesn't update properly once the ws is re-connected. This issue has been fixed in this commit [8a35e50](https://github.com/GetStream/stream-chat-react-native/commit/8a35e505fadb059b0a3b48fdc33a3a72021bd158)
+
 ## [2.2.0] 2021-02-02
 
 - Switched to `react-native-markdown-package` for markdown of message text [#505](https://github.com/GetStream/stream-chat-react-native/pull/505/files)