fixing link and adding versa (#32034)

Author: git-thuerk-done

content/en/integrations/guide/high_availability.md

@@ -24,9 +24,9 @@ The following integrations are supported for High Availability:
 |-------------------------|------------------------------|
 | **Database Monitoring**  | [PostgreSQL][15], [MySQL][16], [MongoDB][17], [Oracle][18], [SQL Server][19] |
 | **Network Monitoring**   | [SNMP][1], [Network Path][2], [HTTP Check][3] |
-| **Vendor-Specific**      | [Cisco ACI][4], [Cisco SD-WAN][5]|
+| **Vendor-Specific**      | [Cisco ACI][4], [Cisco SD-WAN][5], [Versa][23]|
 | **Virtualization**  | [Proxmox][20], [vSphere][21] |
-| **Cloud platforms** | [OpenStack][22]|
+| **Cloud platforms** | [OpenStack Controller][22]|
 
 ## Prerequisites
 
@@ -137,6 +137,7 @@ The following integrations are supported for High Availability:
 [19]: /database_monitoring/#sql-server
 [20]: https://docs.datadoghq.com/integrations/proxmox/
 [21]: https://docs.datadoghq.com/integrations/vsphere/
-[22]: https://docs.datadoghq.com/integrations/openstack
+[22]: https://docs.datadoghq.com/integrations/openstack-controller
+[23]: https://docs.datadoghq.com/integrations/versa/