Add changelog entry

Author: pindab0ter

CHANGELOG.md

@@ -5,10 +5,13 @@ All notable changes to this project will be documented in this file.
 [Next release](https://github.com/barryvdh/laravel-ide-helper/compare/v2.13.0...master)
 --------------
 
+### Fixed
+- Add support for attribute accessors marked as protected. [#1339 / pindab0ter](https://github.com/barryvdh/laravel-ide-helper/pull/1339)
+
 2023-02-04, 2.13.0
 ------------------
 
-### Fixes
+### Fixed
 - Fix return type of methods provided by `SoftDeletes` [#1345 / KentarouTakeda](https://github.com/barryvdh/laravel-ide-helper/pull/1345)
 - Handle PHP 8.1 deprecation warnings when passing `null` to `new \ReflectionClass` [#1351 / mfn](https://github.com/barryvdh/laravel-ide-helper/pull/1351)
 - Fix issue where \Eloquent is not included when using write_mixin [#1352 / Jefemy](https://github.com/barryvdh/laravel-ide-helper/pull/1352)