Updating minor addition from commit done after branch was taken

Detections/SigninLogs/PrivilegedUserLogonfromnewASN.yaml

@@ -26,7 +26,7 @@ tags:
   - AADSecOpsGuide
 query: |
   let admins=(IdentityInfo
-    | where AssignedRoles contains "admin"
+    | where AssignedRoles contains "admin" or GroupMembership has "Admin"
     | summarize by tolower(AccountUPN));
     let known_asns = (
     SigninLogs