tools: update nixpkgs-unstable to 391b592eb44808b3bd0cb80bb71b63a5a11

PR-URL: https://github.com/nodejs/node/pull/65496
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>