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

https://github.com/dkwo/void-packages isy
https://github.com/void-linux/void-packages/pull/45812

isync: add patch for openssl3 and gmail
Built and tested on x86_64.
Seems needed for gmail and openssl3.

A patch file from https://github.com/void-linux/void-packages/pull/45812.patch is attached