New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/37612#discussion_r901036840

Comment:
> Due to the dangers inherent to automatic processing of PRs, GitHub’s standard pull_request workflow trigger by default prevents write permissions and secrets access to the target repository.

This is not overridden anywhere in this workflow, so I don't see why it's needed here.