Update local server to Swift 6

Author: sebsto

Package.swift

@@ -23,7 +23,7 @@ let package = Package(
         .library(name: "AWSLambdaTesting", targets: ["AWSLambdaTesting"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/apple/swift-nio.git", from: "2.72.0"),
+        .package(url: "https://github.com/apple/swift-nio.git", from: "2.76.0"),
         .package(url: "https://github.com/apple/swift-log.git", from: "1.5.4"),
     ],
     targets: [

Sources/AWSLambdaRuntimeCore/Lambda+LocalServer.swift

@@ -133,6 +133,10 @@ private enum LocalLambda {
         }
 
         func processRequest(context: ChannelHandlerContext, request: (head: HTTPRequestHead, body: ByteBuffer?)) {
+
+            let eventLoop = context.eventLoop
+            let loopBoundContext = NIOLoopBound(context, eventLoop: eventLoop)
+
             switch (request.head.method, request.head.uri) {
             // this endpoint is called by the client invoking the lambda
             case (.POST, let url) where url.hasSuffix(self.invocationEndpoint):
@@ -142,6 +146,7 @@ private enum LocalLambda {
                 let requestID = "\(DispatchTime.now().uptimeNanoseconds)"  // FIXME:
                 let promise = context.eventLoop.makePromise(of: Response.self)
                 promise.futureResult.whenComplete { result in
+                    let context = loopBoundContext.value
                     switch result {
                     case .failure(let error):
                         self.logger.error("invocation error: \(error)")
@@ -178,6 +183,7 @@ private enum LocalLambda {
                     // create a promise that we can fullfill when we get a new task
                     let promise = context.eventLoop.makePromise(of: Invocation.self)
                     promise.futureResult.whenComplete { result in
+                        let context = loopBoundContext.value
                         switch result {
                         case .failure(let error):
                             self.logger.error("invocation error: \(error)")