test for concurrency

Hi @nev ,

sorry for the second PR :D, since this space uses very little vram, we can test parallelizing the requests as the new queue also supports that, starting with 5 parallel requests.

Thanks,

cc: @farukozderim @freddyaboulton @multimodalart

app.py

@@ -77,5 +77,5 @@ def main():
     return ui
 
 ui = main()
-ui.launch()
+ui.configure_queue(concurrency_count=5).launch()
 demo = ui