Update endpoints model

Author: aws-sdk-swift-automation

codegen/sdk-codegen/sdk-endpoints.json

@@ -20226,6 +20226,7 @@
       },
       "redshift-serverless" : {
         "endpoints" : {
+          "af-south-1" : { },
           "ap-east-1" : { },
           "ap-northeast-1" : { },
           "ap-northeast-2" : { },
@@ -20244,6 +20245,7 @@
           "eu-central-1" : { },
           "eu-central-2" : { },
           "eu-north-1" : { },
+          "eu-south-1" : { },
           "eu-south-2" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
@@ -31653,6 +31655,12 @@
           }
         }
       },
+      "aps" : {
+        "endpoints" : {
+          "us-gov-east-1" : { },
+          "us-gov-west-1" : { }
+        }
+      },
       "arc-zonal-shift" : {
         "endpoints" : {
           "us-gov-east-1" : { },