Addressing some warnings

Author: ladeak

src/CHttpServer/CHttpServer/DuplexPipeStreamAdapter.cs

@@ -7,7 +7,7 @@ namespace CHttpServer;
 internal class DuplexPipeStreamAdapter<TStream> : Stream, IDuplexPipe where TStream : Stream
 {
     private bool _disposed;
-    private readonly object _disposeLock = new object();
+    private readonly Lock _disposeLock = new();
 
     public DuplexPipeStreamAdapter(TStream stream, StreamPipeReaderOptions readerOptions, StreamPipeWriterOptions writerOptions)
     {

src/CHttpServer/CHttpServer/Http3/Http3FramingStreamWriter.cs

@@ -154,7 +154,7 @@ public override async ValueTask<FlushResult> WriteAsync(ReadOnlyMemory<byte> sou
             _responseStream.Flush();
             return new FlushResult(isCanceled: false, isCompleted: false);
         }
-        catch (Exception ex)
+        catch (Exception)
         {
             _isCompleted = true;
             ClearSegments(CollectionsMarshal.AsSpan(_segments));

src/CHttpServer/CHttpServer/HttpsConnectionMiddleware.cs

@@ -54,7 +54,7 @@ public async Task OnConnectionAsync(CHttp2ConnectionContext context)
         }
 
         var sslDuplexPipe = CreateSslDuplexPipe(
-            context.Transport,
+            context.Transport!,
             context.Features.Get<IMemoryPoolFeature>()?.MemoryPool ?? MemoryPool<byte>.Shared);
         var sslStream = sslDuplexPipe.Stream;
 

src/CHttpServer/TestCHttpServerApplication/Program.cs

@@ -58,7 +58,7 @@
 
 public class Data
 {
-    public string Message { get; set; }
+    public required string Message { get; set; }
 }
 
 [JsonSerializable(typeof(Data))]