update broken youtube link

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 
 with gr.Blocks() as demo:
     gr.Markdown("# Minerva AI Studio")
-    video_link = '<iframe width="1266" height="712" src="https://www.youtube.com/embed/qiz4rxf_RY4" title="MinervaAIStudio Hackathon Demo" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>'
+    video_link = '<iframe width="1446" height="818" src="https://www.youtube.com/embed/JKW4LsLfK1E" title="Minerva AI Studio" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>'
     gr.Markdown("# Demo Link")
     gr.HTML(
         video_link