url: expose the WHATWG URL API globally

Install URL and URLSearchParams on the global object, like they can be
found in browser environments.

PR-URL: https://github.com/nodejs/node/pull/18281
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/https.md

@@ -242,8 +242,6 @@ const req = https.request(options, (res) => {
 Example using a [`URL`][] as `options`:
 
 ```js
-const { URL } = require('url');
-
 const options = new URL('https://abc:xyz@example.com');
 
 const req = https.request(options, (res) => {