Update oracle-database-regions.md

Added South Central US

Author: taylorrees1

articles/oracle/oracle-db/oracle-database-regions.md

@@ -57,6 +57,7 @@ The list below mentions the Azure and corresponding OCI regions with the regiona
 | West US | US West (San Jose)  | ✓  | ✓  | ✓| | Preview available | Single |
 | Central US | US Midwest (Chicago)  | ✓  |   ✓  | ✓ | | | Dual |
 | East US 2 | US East (Ashburn) | ✓  |   | | | | Dual |
+| South Central US | ✓  |   | | | | Dual |
 
 > [!NOTE]
 > To provision Oracle Database@Azure resources in a supported region, your tenancy must be subscribed to the target region. Learn how to [manage regions](https://docs.oracle.com/iaas/Content/Identity/regions/managingregions.htm#Managing_Regions) and [subscribe to an infrastructure region](https://docs.oracle.com/iaas/Content/Identity/regions/To_subscribe_to_an_infrastructure_region.htm#subscribe).