lib: fix getTypeScriptParsingMode jsdoc

PR-URL: #58681
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

Author: ShenHongFei

lib/internal/modules/typescript.js

@@ -25,7 +25,7 @@ const { Buffer } = require('buffer');
 
 /**
  * The TypeScript parsing mode, either 'strip-only' or 'transform'.
- * @type {string}
+ * @type {function(): TypeScriptMode}
  */
 const getTypeScriptParsingMode = getLazy(() =>
   (getOptionValue('--experimental-transform-types') ?