New review comment by paper42 on void-packages repository

https://github.com/void-linux/void-packages/pull/35864#discussion_r820231226

Comment:
```suggestion
homepage="https://gitlab.freedesktop.org/rncbc/qpwgraph"
changelog="https://gitlab.freedesktop.org/rncbc/qpwgraph/-/raw/main/ChangeLog"
distfiles="https://gitlab.freedesktop.org/rncbc/qpwgraph/-/archive/v${version}/qpwgraph-v${version}.tar.gz"
```