process: move process mutation into bootstrap/node.js

This patch moves the part in the report initialization
that mutates the process object into bootstrap/node.js
so it's easier to tell the side effect of the initialization
on the global state during bootstrap.

PR-URL: https://github.com/nodejs/node/pull/25821


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>