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

https://github.com/fanyx/void-packages fix/radicale
https://github.com/void-linux/void-packages/pull/46357

radicale: fix permissions post-install
Picks up #39973

Hopefully fixes #38923

A patch file from https://github.com/void-linux/void-packages/pull/46357.patch is attached