Adding sensor version - focused alerts

Author: limwainstein

articles/defender-for-iot/organizations/whats-new.md

@@ -65,6 +65,8 @@ Organizations where sensors are deployed between OT and IT networks deal with ma
 
 To address these challenges, we've updated Defender for IoT's detection policy to automatically trigger alerts based on business impact and network context, and reduce low-value IT related alerts.  
 
+This update is available in sensor version 24.1.3 and later.
+
 For more information, see [Focused alerts in OT/IT environments](alerts.md#focused-alerts-in-otit-environments).
 
 ### Alert ID now aligned on the Azure portal and sensor console