tools,src: forbid usage of v8::Persistent

`v8::Persistent` comes with the surprising catch that it requires
manual cleanup. `v8::Global` doesn’t, making it easier to use,
and additionally provides move semantics. New code should always
use `v8::Global`.

PR-URL: https://github.com/nodejs/node/pull/31018


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>