Added Office Hub

Not sure how but that didn't get merged before.
-------
cc: @MicrosoftGuyJFlo

Author: MarileeTurscak-MSFT

articles/active-directory/conditional-access/concept-conditional-access-grant.md

@@ -78,6 +78,7 @@ This setting applies to the following iOS and Android apps:
 - Microsoft Kaizala
 - Microsoft Launcher
 - Microsoft Office
+- Microsoft Office Hub
 - Microsoft OneDrive
 - Microsoft OneNote
 - Microsoft Outlook