feat(clients): update client endpoints as of 2024-01-03

Author: awstools

Diff for: codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json

@@ -12425,8 +12425,10 @@
         },
         "m2": {
           "endpoints": {
+            "af-south-1": {},
             "ap-northeast-1": {},
             "ap-northeast-2": {},
+            "ap-northeast-3": {},
             "ap-south-1": {},
             "ap-southeast-1": {},
             "ap-southeast-2": {},
@@ -12438,6 +12440,8 @@
               ]
             },
             "eu-central-1": {},
+            "eu-north-1": {},
+            "eu-south-1": {},
             "eu-west-1": {},
             "eu-west-2": {},
             "eu-west-3": {},