There's a closed pull request on the void-packages repository

New package: jupyterlab
https://github.com/void-linux/void-packages/pull/30873

Description:
Jupyterlab is the new generation of Jupyter notebook.

#### General
- [x] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

It seems to build fine, but still running some tests. @maneandrea

I forked commits from #30802 (just a small edit as mentioned there) and #26806 (edited `hostmakedepends` otherwise it was failing)