test: add known issue for vm module

GlobalPropertySetterCallback() does not check the
property on the sandbox. It wrongly throws an error
instead of updating `x`.

PR-URL: https://github.com/nodejs/node/pull/14661
Ref: https://github.com/nodejs/node/issues/12300


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>