New comment by ahesford on void-packages repository

https://github.com/void-linux/void-packages/pull/43946#issuecomment-1563094338

Comment:
This seems reasonable. Using `mktemp` to create directories outside of `$wrksrc` is undesirable because we might potentially leave artifacts that aren't cleaned up by `xbps-src clean`. Sure, it will be in `/tmp`, but it's still better to be sure it gets cleaned up after the build.