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

New package: uv-0.1.21
https://github.com/void-linux/void-packages/pull/48763

Description:
~~**TODO:** devendor some `-sys` crates? (noticed a few in the log, like libz, libssh2, libgit2)~~

#### Testing the changes
- I tested the changes in this PR: **YES**

#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**