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

https://github.com/Ypnose/void-packages master
https://github.com/void-linux/void-packages/pull/24310

base-files: modify kernel listing in vkpurge
By default, kernel listing is not done by version, For example :

4.19.131_1
5.4.18_1
5.4.50_1
5.4.5_1
5.4.9_1
5.4.11_1

Using 'version-sort' option, it shows older versions before recent versions :
4.19.131_1
5.4.5_1
5.4.9_1
5.4.11_1
5.4.18_1
5.4.50_1

A patch file from https://github.com/void-linux/void-packages/pull/24310.patch is attached