Include missing PHPDoc signature for includeUnvalidatedArrayKeys() (#41186)

Co-authored-by: Jason Silver <[email protected]>

Author: silverjason

src/Illuminate/Support/Facades/Validator.php

@@ -4,6 +4,7 @@
 
 /**
  * @method static \Illuminate\Contracts\Validation\Validator make(array $data, array $rules, array $messages = [], array $customAttributes = [])
+ * @method static void includeUnvalidatedArrayKeys()
  * @method static void excludeUnvalidatedArrayKeys()
  * @method static void extend(string $rule, \Closure|string $extension, string $message = null)
  * @method static void extendImplicit(string $rule, \Closure|string $extension, string $message = null)