change the link to the Azure function for Splunk page according to Splunks update

Splunk updated us the old link was deprecated so the new link I added referencing to the Azure Function for Splunk (row 116) is the correct updated one.

Author: berlihie

articles/defender-for-cloud/export-to-siem.md

@@ -113,7 +113,7 @@ Each SIEM platform has a tool to enable it to receive alerts from Azure Event Hu
 | Tool | Hosted in Azure | Description |
 |:---|:---| :---|
 |  IBM QRadar | No | The Microsoft Azure DSM and Microsoft Azure Event Hubs Protocol are available for download from [the IBM support website](https://www.ibm.com/docs/en/qsip/7.4?topic=microsoft-azure-platform). |
-| Splunk | No | [Splunk Add-on for Microsoft Cloud Services](https://splunkbase.splunk.com/app/3110/) is an open source project available in Splunkbase. <br><br> If you can't install an add-on in your Splunk instance, for example if you're using a proxy or running on Splunk Cloud, you can forward these events to the Splunk HTTP Event Collector using [Azure Function For Splunk](https://github.com/Microsoft/AzureFunctionforSplunkVS), which is triggered by new messages in the event hub. |
+| Splunk | No | [Splunk Add-on for Microsoft Cloud Services](https://splunkbase.splunk.com/app/3110/) is an open source project available in Splunkbase. <br><br> If you can't install an add-on in your Splunk instance, for example if you're using a proxy or running on Splunk Cloud, you can forward these events to the Splunk HTTP Event Collector using [Azure Function For Splunk](https://github.com/splunk/azure-functions-splunk), which is triggered by new messages in the event hub. |
 
 ## Stream alerts with continuous export