fixed AzureSentinelConnectors_Admin

Hunting Queries/AzureActivity/AzureSentinelConnectors_AdministrativeOperations.yaml

@@ -18,7 +18,7 @@ query: |
   // Azure Sentinel Data Connectors Update / Delete
   AzureActivity
   | where TimeGenerated >= ago(timeframe)
-  | where Category == "Administrative"
+  | where CategoryValue == "Administrative"
   | where OperationNameValue in (opValues)
   | where ActivitySubstatusValue in ("Created", "OK")
   | sort by TimeGenerated desc