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

https://github.com/teldra/void-packages kodi--zattoo-update
https://github.com/void-linux/void-packages/pull/25927

kodi-addon-pvr-zattoo: update to 18.1.21; add dependency
taking maintainership

A patch file from https://github.com/void-linux/void-packages/pull/25927.patch is attached