docs: update changelog

Author: 3m1n3nc3

CHANGELOG.md

@@ -5,6 +5,13 @@ 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).
 
+## [2.1.1] - 2026-03-03
+
+### Added
+
+- Added `route` parameter to `Router.bindRequestToInstance` for improved route context handling.
+- Added `route` property to `ClearRequest` for enhanced route context access.
+
 ## [2.1.0] - 2026-03-03
 
 ### Added