Update changelog after new release 2.13.0 (#1418)

Author: mfn

CHANGELOG.md

@@ -2,9 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
-[Next release](https://github.com/barryvdh/laravel-ide-helper/compare/v2.12.3...master)
+[Next release](https://github.com/barryvdh/laravel-ide-helper/compare/v2.13.0...master)
 --------------
 
+2023-02-04, 2.13.0
+------------------
+
 ### Fixes
 - 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)