fix: correct import of 'constants' from 'node:fs' for Node.js 14 comp…

…atibility

In Node.js 14, 'fs/promises' does not export 'constants'.
This change ensures 'constants' is imported directly from 'node:fs' for compatibility with Node.js 14.

index.js

@@ -3,7 +3,8 @@ import {Buffer} from 'node:buffer';
 import path from 'node:path';
 import {fileURLToPath} from 'node:url';
 import childProcess from 'node:child_process';
-import fs, {constants as fsConstants} from 'node:fs/promises';
+import fs from 'node:fs/promises';
+import {constants as fsConstants} from 'node:fs';
 import isWsl from 'is-wsl';
 import defineLazyProperty from 'define-lazy-prop';
 import defaultBrowser from 'default-browser';