build,tools: update V8 gypfiles for V8 7.9

V8 can can no longer be built without snapshot.

PR-URL: https://github.com/nodejs/node/pull/30020


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>