There is an updated pull request by sgn against master on the void-packages repository

https://github.com/ghagl/void-packages patch-1
https://github.com/void-linux/void-packages/pull/41328

gmplib: Change mirror as the main one is broken for now
#### Testing the changes
- I tested the changes in this PR: **YES**

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

A patch file from https://github.com/void-linux/void-packages/pull/41328.patch is attached