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

https://github.com/lonwillett/void-packages update-ipv6calc
https://github.com/void-linux/void-packages/pull/30962

ipv6calc: update to 3.0.2
#### Have the results of the proposed changes been tested?
- [ x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR


A patch file from https://github.com/void-linux/void-packages/pull/30962.patch is attached