update requirements for Django example

examples/server/wsgi/django_socketio/requirements.txt

@@ -1,11 +1,10 @@
 asgiref==3.6.0
-backports.zoneinfo==0.2.1
 bidict==0.22.1
 Django==4.2.7
 gunicorn==20.1.0
 h11==0.14.0
-python-engineio==4.4.1
-python-socketio==5.8.0
-simple-websocket==0.10.0
+python-engineio
+python-socketio
+simple-websocket
 sqlparse==0.4.4
 wsproto==1.2.0