meta: use .mailmap to consolidate AUTHORS entries for ide

James Ide has two AUTHORS entries. Use .mailmap to consolidate them into
a single entry.

PR-URL: https://github.com/nodejs/node/pull/40367


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>