chore: fix phpstan errors

src/BusProNet/Model/PersonalData.php

@@ -56,7 +56,9 @@ class PersonalData
     #[Assert\Valid(groups: ['personal_data'])]
     public Communication $communication;
 
+    /** @var list<string> */
     public array $roles = [];
+    /** @var list<string> */
     public array $hotelCodes = [];
 
     public function __construct()