util: use ES2015+ Object.is to check negative zero

Use `Object.is` to check whether the value is negative zero or not.

Ref: https://github.com/nodejs/node/commit/b3e4fc6a48b97b52bd19de43c76b7082dcab4988
PR-URL: https://github.com/nodejs/node/pull/11332


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>