deps: patch V8 to 7.8.279.15

Refs: https://github.com/v8/v8/compare/7.8.279.14...7.8.279.15

PR-URL: https://github.com/nodejs/node/pull/29899


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>