Update generated code (#1899)

* update generated code

* Apply suggestions from code review

---------

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

Author: async-aws-bot

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS api-change: Rework regions configuration
+
 ## 2.9.1
 
 ### Changed

composer.json

@@ -30,7 +30,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.9-dev"
+            "dev-master": "2.10-dev"
         }
     }
 }

src/S3Client.php

@@ -3200,46 +3200,6 @@ protected function getEndpointMetadata(?string $region): array
         }
 
         switch ($region) {
-            case 'af-south-1':
-            case 'ap-east-1':
-            case 'ap-northeast-1':
-            case 'ap-northeast-2':
-            case 'ap-northeast-3':
-            case 'ap-south-1':
-            case 'ap-south-2':
-            case 'ap-southeast-1':
-            case 'ap-southeast-2':
-            case 'ap-southeast-3':
-            case 'ap-southeast-4':
-            case 'ap-southeast-5':
-            case 'ap-southeast-7':
-            case 'ca-central-1':
-            case 'ca-west-1':
-            case 'eu-central-1':
-            case 'eu-central-2':
-            case 'eu-north-1':
-            case 'eu-south-1':
-            case 'eu-south-2':
-            case 'eu-west-1':
-            case 'eu-west-2':
-            case 'eu-west-3':
-            case 'il-central-1':
-            case 'me-central-1':
-            case 'me-south-1':
-            case 'mx-central-1':
-            case 'sa-east-1':
-            case 'us-east-1':
-            case 'us-east-2':
-            case 'us-gov-east-1':
-            case 'us-gov-west-1':
-            case 'us-west-1':
-            case 'us-west-2':
-                return [
-                    'endpoint' => "https://s3.$region.amazonaws.com",
-                    'signRegion' => $region,
-                    'signService' => 's3',
-                    'signVersions' => ['s3v4'],
-                ];
             case 'cn-north-1':
             case 'cn-northwest-1':
                 return [
@@ -3365,8 +3325,8 @@ protected function getEndpointMetadata(?string $region): array
         }
 
         return [
-            'endpoint' => 'https://s3.amazonaws.com',
-            'signRegion' => 'us-east-1',
+            'endpoint' => "https://s3.$region.amazonaws.com",
+            'signRegion' => $region,
             'signService' => 's3',
             'signVersions' => ['s3v4'],
         ];