curl --location --request PATCH '/plans//budgets' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"type": "BUDGET",
"total_budget": 0,
"traveler_count": 0
}'{
"budget_id": "string",
"type": "BUDGET",
"total_budget": 0,
"total_cost": 0,
"remaining_budget": 0,
"cost_per_person": 0,
"traveler_count": 0
}