feat: include bank account in booking data

src/BusProNet/Model/Booking.php

@@ -24,6 +24,7 @@ class Booking
     public ?string $paymentId = null;
     public ?string $paymentType = null;
     public ?string $paymentLabel = null;
+    public ?BankAccount $bankAccount = null;
     public array $participantsStatus = [];
     public array $participants = [];
     public array $transportationServices = [];