请对以下数组，根据 `born` 的值降序排列

const singers = [
  { name: 'Steven Tyler', band: 'Aerosmith', born: 1948 },
  { name: 'Karen Carpenter', band: 'The Carpenters', born: 1950 },
  { name: 'Kurt Cobain', band: 'Nirvana', born: 1967 },
  { name: 'Stevie Nicks', band: 'Fleetwood Mac', born: 1948 },
];