chore: updated video in the plugin description

Author: [email protected]

readme.txt

@@ -18,7 +18,7 @@ Custom Blocks that transform your WordPress Block Editor into a page builder
 
 > [Try our live demo](https://wpstackable.com/demo/?utm_source=wp-repo&utm_campaign=readme&utm_medium=link) | [Join the Facebook Community](https://www.facebook.com/groups/wpstackable/)
 
-[youtube https://www.youtube.com/watch?v=P3xG3t-QYjw]
+[youtube https://www.youtube.com/watch?v=xAOWZHAkG3E]
 
 ## Transform Gutenberg into a Page Builder.