Update changelog

Author: countzero

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.22.0] - 2024-10-14
+
+### Removed
+- [Server] Remove deprecated self extending context window from llama-server example
+- [Server] Remove --log-disable from llama-server example
+
 ## [1.21.0] - 2024-08-03
 
 ### Added