New comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/23525#issuecomment-657116934

Comment:
Besides mention of pip, this is mainly repetition of "About the many types of depends variable". Mention of pip is too wordy, something like "If you notice build installing modules, add them to aproppriate `depends` variable. This is a case when ..." should suffice.