deps: V8: silence irrelevant warnings

PR-URL: https://github.com/nodejs/node/pull/26685


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/32116


Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>