import { versions } from "https://deno.land/std@0.147.0/node/process.ts";

https://nodejs.org/api/process.html#process_process_versions

This value is hard coded to latest stable release of Node, as some packages are checking it for compatibility. Previously it contained only output of Deno.version, but that led to incompability with some packages. Value of v8 field is still taken from Deno.version.