use node: prefix for requires

mostly because code is being autogenerated by all the AI stuff using
this prefix. it's also used in the stack trace.

src/routes/apppasswords.js

@@ -8,7 +8,7 @@ exports = module.exports = {
 };
 
 const appPasswords = require('../apppasswords.js'),
-    assert = require('assert'),
+    assert = require('node:assert'),
     BoxError = require('../boxerror.js'),
     HttpError = require('@cloudron/connect-lastmile').HttpError,
     HttpSuccess = require('@cloudron/connect-lastmile').HttpSuccess,