fix(docs): added the slack demo youtube video (#327)

Co-authored-by: Adam Gough <adamgough@Adams-MacBook-Pro.local>

Author: aadamgough

docs/content/docs/tools/slack.mdx

@@ -37,7 +37,7 @@ import { BlockInfoCard } from '@/components/ui/block-info-card'
 <iframe
   width="100%"
   height="400"
-  src="https://www.youtube.com/embed/Wva1AKTgF2c"
+  src="https://www.youtube.com/embed/J5jz3UaWmE8"
   title="Slack Integration with Sim Studio"
   frameBorder="0"
   allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"