report: separate release metadata

Report release metadata separately from `componentVersions`.
Test `componentVersions` and `release` values in the report.

PR-URL: https://github.com/nodejs/node/pull/25826


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>