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

https://github.com/pbui/void-packages iwd
https://github.com/void-linux/void-packages/pull/27741

iwd: update to 1.11.
Tested with WPA2 network on x86_64, armv7l, and aarch64 hosts.

A patch file from https://github.com/void-linux/void-packages/pull/27741.patch is attached