Update generated code (#1997)

update generated code

Author: async-aws-bot

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Added
 
 - AWS api-change: Amazon Bedrock Runtime Service Tier Support Launch
+- AWS api-change: Bedrock Runtime Reserved Service Support
 
 ### Dependency bumped
 

src/Enum/ServiceTierType.php

@@ -7,13 +7,15 @@ final class ServiceTierType
     public const DEFAULT = 'default';
     public const FLEX = 'flex';
     public const PRIORITY = 'priority';
+    public const RESERVED = 'reserved';
 
     public static function exists(string $value): bool
     {
         return isset([
             self::DEFAULT => true,
             self::FLEX => true,
             self::PRIORITY => true,
+            self::RESERVED => true,
         ][$value]);
     }
 }