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

https://github.com/hervyqa/void-packages key-mon
https://github.com/void-linux/void-packages/pull/37692

New package: key-mon-1.20
keymon has been removed in https://github.com/void-linux/void-packages/pull/29179, but this template uses python3.

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

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

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

A patch file from https://github.com/void-linux/void-packages/pull/37692.patch is attached