message: refactor: clear cookie when deleting an account
diff: @@ -16,6 +16,8 @@ async function deleteUser({ headers }: Request, res: Response): Promise<unknown>
  throw Boom.unauthorized('Invalid or expired JWT token.')
  }
  + // clear cookie
  + res.clearCookie('refresh_token')
  return res.status(204).send()
  }
  