feat(clients): update client endpoints as of 2025-09-30

Author: awstools

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

@@ -4319,6 +4319,7 @@
             "ap-southeast-3": {},
             "ap-southeast-4": {},
             "ap-southeast-5": {},
+            "ap-southeast-6": {},
             "ap-southeast-7": {},
             "ca-central-1": {},
             "ca-west-1": {},
@@ -30462,6 +30463,7 @@
             "ap-southeast-3": {},
             "ap-southeast-4": {},
             "ap-southeast-5": {},
+            "ap-southeast-7": {},
             "ca-central-1": {},
             "ca-west-1": {},
             "eu-central-1": {},
@@ -30475,6 +30477,7 @@
             "il-central-1": {},
             "me-central-1": {},
             "me-south-1": {},
+            "mx-central-1": {},
             "sa-east-1": {},
             "us-east-1": {},
             "us-east-2": {},