use the @cloudron/superagent module

src/users.js

@@ -101,7 +101,7 @@ const appPasswords = require('./apppasswords.js'),
     uaParser = require('ua-parser-js'),
     userDirectory = require('./user-directory.js'),
     uuid = require('uuid'),
-    superagent = require('./superagent.js'),
+    superagent = require('@cloudron/superagent'),
     util = require('util'),
     validator = require('./validator.js'),
     _ = require('./underscore.js');