update languages (#4115)

app/javascript/components/users/user/forms/UpdateUserForm.jsx

@@ -17,9 +17,11 @@ export default function UpdateUserForm({ user }) {
 
   // TODO: Make LOCALES a context that provides the available languages and their native names in the client app.
   const LOCALES = {
+    el_GR: 'ελληνικά',
     en: 'English',
     fa_IR: 'فارسی',
     fr: 'Français',
+    hu_HU: 'magyar',
     tr: 'Türkçe',
   };