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

https://github.com/fosslinux/void-packages nodejs-14.13.1
https://github.com/void-linux/void-packages/pull/25539

nodejs: update to 14.13.1.
patch is needed for configure script to support python3.9, taken from
master, droppable in next release.

A patch file from https://github.com/void-linux/void-packages/pull/25539.patch is attached