Replace api_name=False with api_visibility=private (Gradio 6)

app.py

@@ -286,7 +286,7 @@ with gr.Blocks() as demo:
         fn=lambda: "",
         outputs=vqa_input,
         queue=False,
-        api_name=False,
+        api_visibility="private",
     )
     chat_button.click(
         fn=chat,
@@ -297,7 +297,7 @@ with gr.Blocks() as demo:
         fn=lambda: "",
         outputs=vqa_input,
         queue=False,
-        api_name=False,
+        api_visibility="private",
     )
     clear_chat_button.click(
         fn=lambda: ("", [], [], []),