fix license header

Author: sebsto

Plugins/AWSLambdaPackager/PluginUtils.swift

@@ -2,7 +2,7 @@
 //
 // This source file is part of the SwiftAWSLambdaRuntime open source project
 //
-// Copyright (c) 2024 Apple Inc. and the SwiftAWSLambdaRuntime project authors
+// Copyright (c) 2022 Apple Inc. and the SwiftAWSLambdaRuntime project authors
 // Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information