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

https://github.com/tibequadorian/void-packages xfce4-i3-workspaces-plugin
https://github.com/void-linux/void-packages/pull/26238

New package: xfce4-i3-workspaces-plugin-1.3.2
maybe you can help with cross compiling

A patch file from https://github.com/void-linux/void-packages/pull/26238.patch is attached