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

python3-pkgconfig: update to 1.5.4
https://github.com/void-linux/void-packages/pull/40068

Description:
[Changelog](https://github.com/matze/pkgconfig#version-154): no breaking changes relevant to Void.

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

#### Local build testing
- I built this PR locally for my native architecture, (x86_64-glibc)