Update deployment.py

Author: alexlib

deployment.py

@@ -11,8 +11,8 @@
 
 app = modal.App(name="marimo-app")
 
-
-@app.function(image=image, allow_concurrent_inputs=100)
+@modal.concurrent
+@app.function(image=image)
 @modal.web_server(8000, startup_timeout=60)
 def marimo_app():
     print("Hello, World!")