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

https://github.com/damadmai/void-packages iperf313
https://github.com/void-linux/void-packages/pull/44157

iperf3: update to 3.13.
#### Testing the changes
- I tested the changes in this PR: **YES**

A patch file from https://github.com/void-linux/void-packages/pull/44157.patch is attached