Works around regression from a305e6855d.
We're also marking it lowPrio to make sure nobody will accidentally
reference it using nix-env -i.
Until we have fixed#7402, we're going to build with the old gyp version
to prevent being affected by https://crbug.com/462153.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
b26de39252