2773: Update Changelog

Author: turegjorup

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased
 
+## [2.1.1] - 2024-10-23
+
 - [#138](https://github.com/os2display/display-client/pull/138)
   - Avoided setting ER105 in url when no token exists in local storage.
 - [#137](https://github.com/os2display/display-client/pull/137)