Add changelog entry

Author: pindab0ter

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 
 ### Added
 - Add support for custom casts that implement `CastsInboundAttributes` [#1329 / sforward](https://github.com/barryvdh/laravel-ide-helper/pull/1329)
+- Add support for attribute accessors with no backing field or type hinting [#1315 / pindab0ter](https://github.com/barryvdh/laravel-ide-helper/pull/1338).
 - Add support for attribute accessors marked as protected. [#1339 / pindab0ter](https://github.com/barryvdh/laravel-ide-helper/pull/1339)
 
 2022-03-06, 2.12.3