repl: tab auto complete big arrays

Due to a new API it's possible to skip the indices. That allows to
use auto completion with big (typed) arrays.

PR-URL: https://github.com/nodejs/node/pull/22408
Fixes: https://github.com/nodejs/node/issues/21446


Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>