New review comment by dragonmaus on void-packages repository

https://github.com/void-linux/void-packages/pull/35604#discussion_r805499313

Comment:
The relevant section:

> `/usr/lib/os-release` is the recommended place to store OS release information as part of vendor trees. `/etc/os-release` should be a relative symlink to `/usr/lib/os-release`, to provide compatibility with applications only looking at `/etc/`.