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

https://github.com/Anachron/void-packages pg_bulkload
https://github.com/void-linux/void-packages/pull/14088

New package: pg_bulkload-3.1.15
Fixes #13549

A patch file from https://github.com/void-linux/void-packages/pull/14088.patch is attached