Merge pull request #8361 from chris-short/arpit-youtube-admin

Adding Arpit Agrawal to YouTube Admins

Author: k8s-ci-robot

communication/slack-config/usergroups.yaml

@@ -86,6 +86,7 @@ usergroups:
       - pnbrown
       - CIPHERTron
       - chadmcrowell
+      - Hii-Arpit
 
   - name: zoom-admins
     long_name: Zoom Admins