build: fix V8 build with pointer compression

Refs: https://github.com/nodejs/TSC/issues/790#issuecomment-893457655

PR-URL: https://github.com/nodejs/node/pull/39664


Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>