fix: Converts to ES module syntax

build.js

@@ -1,6 +1,6 @@
-const { execSync } = require('child_process');
-const { writeFileSync } = require('fs');
-const { join } = require('path');
+import { execSync } from 'child_process';
+import { writeFileSync } from 'fs';
+import { join } from 'path';
 
 const versionFile = join(__dirname, 'public/views/version.html');
 const version = execSync('git rev-parse HEAD').toString().trim();