Updated CHANGELOG

Author: ezimuel

CHANGELOG.md

@@ -9,6 +9,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.3.0] - 2022-02-x
+
+### Changed
+
+- Enabled `HttpRejectedPromise` to return a promise for implementing a retry
+  mechanism [#168](https://github.com/php-http/httplug/pull/168)
+
 ## [2.2.0] - 2020-07-13
 
 ### Changed