refactor: import timers, process, and Buffer from node: (#7157)

Co-authored-by: muchnameless <12682826+muchnameless@users.noreply.github.com>
Co-authored-by: Almeida <almeidx@pm.me>

src/client/websocket/WebSocketShard.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const EventEmitter = require('node:events');
+const { setTimeout, setInterval } = require('node:timers');
 const WebSocket = require('../../WebSocket');
 const { Status, Events, ShardEvents, Opcodes, WSEvents } = require('../../util/Constants');
 const Intents = require('../../util/Intents');