Refactor check-updates.js to use ES module syntax for imports

Author: emericklaw

.github/scripts/check-updates.js

@@ -1,6 +1,6 @@
-const { Octokit } = require("@octokit/rest");
-const fs = require('fs');
-const path = require('path');
+import { Octokit } from "@octokit/rest";
+import fs from 'fs';
+import path from 'path';
 
 const octokit = new Octokit({
   auth: process.env.GITHUB_TOKEN,