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

https://github.com/ndowens/void-packages modemmanager
https://github.com/void-linux/void-packages/pull/26284

ModemManager: update to 1.14.6
Updated version needs newer libqmi and libmbim, so update here

A patch file from https://github.com/void-linux/void-packages/pull/26284.patch is attached