feat(clients): update client endpoints as of 2025-12-17

Author: awstools

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

@@ -1823,6 +1823,7 @@
             "ap-southeast-3": {},
             "ap-southeast-4": {},
             "ap-southeast-5": {},
+            "ap-southeast-6": {},
             "ap-southeast-7": {},
             "ca-central-1": {
               "variants": [
@@ -5825,6 +5826,7 @@
                 }
               ]
             },
+            "ap-southeast-5": {},
             "ca-central-1": {
               "variants": [
                 {
@@ -5833,6 +5835,7 @@
                 }
               ]
             },
+            "ca-west-1": {},
             "eu-central-1": {
               "variants": [
                 {
@@ -5914,6 +5917,7 @@
                 }
               ]
             },
+            "mx-central-1": {},
             "sa-east-1": {
               "variants": [
                 {