Update generated code (#1832)

* update generated code

* Apply suggestions from code review

---------

Co-authored-by: Jérémy Derussé <jeremy@derusse.com>

Author: async-aws-bot

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Added getPublicKey and verify operation
 - AWS api-change: Added `ap-southeast-7` and `ap-southeast-7-fips` regions
+- AWS api-change: Added `mx-central-1` and `mx-central-1-fips` regions
 
 ## 1.6.0
 

src/KmsClient.php

@@ -1091,6 +1091,7 @@ protected function getEndpointMetadata(?string $region): array
             case 'il-central-1':
             case 'me-central-1':
             case 'me-south-1':
+            case 'mx-central-1':
             case 'sa-east-1':
             case 'us-east-1':
             case 'us-east-2':
@@ -1302,6 +1303,13 @@ protected function getEndpointMetadata(?string $region): array
                     'signService' => 'kms',
                     'signVersions' => ['v4'],
                 ];
+            case 'mx-central-1-fips':
+                return [
+                    'endpoint' => 'https://kms-fips.mx-central-1.amazonaws.com',
+                    'signRegion' => 'mx-central-1',
+                    'signService' => 'kms',
+                    'signVersions' => ['v4'],
+                ];
             case 'sa-east-1-fips':
                 return [
                     'endpoint' => 'https://kms-fips.sa-east-1.amazonaws.com',