benchmark: fix startup benchmark

This allows the misc/startup benchmark to run again
after the renaming of the C++ `native_module` to `builtins`

PR-URL: nodejs/node#44727
Refs: nodejs/node#44135
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

benchmark/fixtures/require-cachable.js

@@ -2,8 +2,8 @@
 
 const { internalBinding } = require('internal/test/binding');
 const {
-  moduleCategories: { canBeRequired }
-} = internalBinding('native_module');
+  builtinCategories: { canBeRequired }
+} = internalBinding('builtins');
 
 for (const key of canBeRequired) {
   require(`node:${key}`);