Add AggregateError support to fsPromises, instead of
swallowing errors if fs.close throws.
PR-URL: https://github.com/nodejs/node/pull/38259
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
