VSN-1986 : Overhaul passenger and circuit schedule management
- Remove old endpoint for retrieving passenger schedules with particularity
- Update Passenger DTOs to include passengerScheduleWeeks list
- Replace schedule retrieval from establishments with direct retrieval from passengers during base amendment creation
- Add PassengerScheduleDataResponse and CircuitScheduleWeekResponse DTOs for schedule retrieval
- Add getCircuitSchedulesByWeek endpoint to retrieve circuit schedules and associated passenger schedules for circuit amendment
- Add getSimplePassengerById to retrieve name and firstname from user service Closes VSN-1986