docs: updates CHANGELOG

Author: lukeraymonddowning

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to `request-factories` will be documented in this file.
 
+## 2.3.0 - 2022-09-01
+
+- Added a handy `RequestFactory::image` method as a shortcut for `$factory->file()->image('name.png')` [#23](https://github.com/worksome/request-factories/pull/23)
+
 ## 2.2.0 - 2022-08-30
 
 - Added support for passing an instance of a factory to the factory `::new` method [#22](https://github.com/worksome/request-factories/pull/22)