added info on windows iot

Author: SnehaSudhirG

articles/update-manager/support-matrix.md

@@ -319,6 +319,12 @@ The following table lists the operating systems supported on [Azure Arc-enabled
    | Debian 10 and 11|
    | Rocky Linux 8|
 
+# [Windows IoT on Arc enabled IaaS VMs](#tab/winio-arc)
+    - Windows 10 IoT Enterprise LTSC 2021 
+    - Windows 10 IoT Enterprise LTSC 2019 
+    - Windows 11 IoT Enterprise, version 23H2 
+    - Windows 11 IoT Enterprise LTSC 2024 
+
 ---
 
 ## Unsupported workloads