src,lib: implement import.meta

Implement the C++ callback that is required to configure the
`import.meta` object and add one property:
- url: absolute URL of the module

PR-URL: https://github.com/nodejs/node/pull/18368


Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>