docs: publications: Fix formatting of talk video

Signed-off-by: John Andersen <[email protected]>

Author: pdxjohnny

docs/images/BSidesPDX_2019_Down_The_Dependency_Rabbit_Hole.pdf

@@ -26,7 +26,7 @@ Recording
 
 .. raw:: html
 
-    <iframe width="560" height="315" src="https://www.youtube.com/embed/D9puJiKKKS8" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+    <iframe width="688" height="387" src="https://www.youtube.com/embed/D9puJiKKKS8" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
 Slides
 ++++++