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

https://github.com/ahesford/void-packages zfs-prune-snapshots
https://github.com/void-linux/void-packages/pull/18360

New package: zfs-prune-snapshots-1.1.0
zfs-prune-snapshots is a bash script that deletes ZFS snapshots based on many criteria, providing pruning capabilities similar to those of zfs-auto-snapshot for arbitrary snapshots.

A patch file from https://github.com/void-linux/void-packages/pull/18360.patch is attached