test: use JSON.stringify to trigger stack overflow

V8's interpreter performs stack checks both at the call site and at the
function entry. A recursive function could therefore trigger stack
overflow at two different source locations. Instead of recursion, call
JSON.stringify on a deeply nested array.

PR-URL: https://github.com/nodejs/node/pull/12481


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>