Update youtube video.

index.html

@@ -87,7 +87,7 @@
                 </table>
             </div>
             <div class="bottomRight">
-                <iframe src="https://www.youtube-nocookie.com/embed/sIv6YmBeO3Q?si=BYWfjLM0sLCYo2Ok" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+                <iframe src="https://www.youtube-nocookie.com/embed/nJJmY7JYSSM?si=JGMI4sk2lkZLft73" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
             </div>
         </div>
         <script></script>