Update endpoints model

Author: aws-sdk-python-automation

botocore/data/endpoints.json

@@ -7471,6 +7471,7 @@
           } ]
         },
         "endpoints" : {
+          "af-south-1" : { },
           "ap-east-1" : { },
           "ap-east-2" : { },
           "ap-northeast-1" : {
@@ -7527,6 +7528,7 @@
           "eu-south-1" : {
             "hostname" : "datazone.eu-south-1.api.aws"
           },
+          "eu-south-2" : { },
           "eu-west-1" : {
             "hostname" : "datazone.eu-west-1.api.aws"
           },