Lower concurrency to speed up space

app.py

@@ -287,7 +287,7 @@ def start_app():
                 cache_examples="lazy",
             )
     
-    demo.queue(default_concurrency_limit=100)
+    demo.queue(default_concurrency_limit=50)
     
     demo.launch(
         server_name="0.0.0.0",