There is a new pull request by akierig against master on the void-packages repository

https://github.com/akierig/void-packages mercurial-6.4.3
https://github.com/void-linux/void-packages/pull/44066

mercurial: update to 6.4.3.
#### 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/44066.patch is attached