fix: adopt response format of bpn personal data endpoint

src/BusProNet/Model/PersonalDataUpdateResponse.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\BusProNet\Model;
+
+class PersonalDataUpdateResponse
+{
+    public function __construct(
+        public readonly ?int $addressId,
+        public readonly ?int $personId,
+        public readonly bool $changed,
+    ) {
+    }
+}