message: fix: use function not => to prevent bidn issue
diff: @@ -40,7 +40,7 @@ export function enableCacheSweepers<B extends Bot>(bot: BotWithCache<B>) {
  });
  const setMember = bot.members.set;
  - bot.members.set = (id, member) => {
  + bot.members.set = function (id, member) {
  return setMember(id, {
  ...member,
  cachedAt: Date.now(),
  