Update old content video

Author: guyinacube

demo/v2-demo/docs.html

@@ -32,7 +32,7 @@ <h2>Videos</h2>
             </div>
             <div class="docs-video">
                 Get an embed token & embed your analytics<br>
-                <iframe width="330" height="186" src="https://www.youtube.com/embed/GPHHdDRSlis" frameborder="0" allow="encrypted-media" allowfullscreen></iframe>
+                <iframe width="330" height="186" src="https://www.youtube.com/embed/4KuyPNtVijo" frameborder="0" allow="encrypted-media" allowfullscreen></iframe>
             </div>
             <div class="docs-video">
                 Setting up and getting started<br>