Update generated code (#2005)

* update generated code

* Apply suggestions from code review

---------

Co-authored-by: Jérémy Derussé <[email protected]>

Author: async-aws-bot

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Added
 
 - AWS api-change: Added `us-isob-west-1` region
+- AWS api-change: Added `eusc-de-east-1` region
 
 ### Dependency bumped
 

src/StepFunctionsClient.php

@@ -311,6 +311,13 @@ protected function getEndpointMetadata(?string $region): array
                     'signService' => 'states',
                     'signVersions' => ['v4'],
                 ];
+            case 'eusc-de-east-1':
+                return [
+                    'endpoint' => 'https://states.eusc-de-east-1.amazonaws.eu',
+                    'signRegion' => 'eusc-de-east-1',
+                    'signService' => 'states',
+                    'signVersions' => ['v4'],
+                ];
             case 'fips-ca-central-1':
                 return [
                     'endpoint' => 'https://states-fips.ca-central-1.amazonaws.com',