benchmark: add benchmark for dns.promises.lookup()

Adding this benchmark will let us check the performance implications of
https://github.com/nodejs/node/pull/27081.

PR-URL: https://github.com/nodejs/node/pull/27249


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>