Get upload status

curl -X GET \
  'https://api.boltroute.ai/api/v1/tasks/batch/uploads/7d3df4c6-9a7d-4d16-9f2b-2a5ddf4f4f53'

{
  "upload_id": "7d3df4c6-9a7d-4d16-9f2b-2a5ddf4f4f53",
  "task_id": "550e8400-e29b-41d4-a716-446655440000",
  "filename": "emails.csv",
  "email_count": 123,
  "user_id": "550e8400-e29b-41d4-a716-446655440000",
  "status": "completed",
  "created_at": "2025-01-01T12:00:00Z",
  "updated_at": "2025-01-01T12:05:00Z",
  "task": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "user_id": "550e8400-e29b-41d4-a716-446655440000",
    "webhook_url": "https://example.com/webhook",
    "created_at": "2025-01-01T12:00:00Z",
    "updated_at": "2025-01-01T12:05:00Z"
  }
}