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

https://github.com/zdykstra/void-packages haproxy-2.3
https://github.com/void-linux/void-packages/pull/26201

haproxy: update to 2.3.0.
Successfully built for ppc64le-glibc, cross-compiled for aarch64-glibc and x86_64-glibc . 

A patch file from https://github.com/void-linux/void-packages/pull/26201.patch is attached