Update Netty to 4.2.13.Final and sync SocksServerHandler with upstream

- Bump netty.version property from 4.2.12.Final to 4.2.13.Final in root pom.xml
- Reorder Socks5InitialRequest import to match upstream order in SocksServerHandler.java
- Add auth support example comments from 4.2.13.Final upstream SocksServerHandler

Agent-Logs-Url: https://github.com/quickfix-j/quickfixj/sessions/71c5d3a5-3685-44b1-a6d2-a42a1d2ab4ca

Co-authored-by: chrjohn <6644028+chrjohn@users.noreply.github.com>

Author: Copilot

pom.xml

@@ -105,7 +105,7 @@
     	<jmh.version>1.37</jmh.version>
     	<jcstress.version>0.16</jcstress.version>
     	<hsqldb.version>1.8.0.10</hsqldb.version>
-		<netty.version>4.2.12.Final</netty.version>
+		<netty.version>4.2.13.Final</netty.version>
 		<class-pruner-plugin.version>3.0.1</class-pruner-plugin.version>
 	</properties>
 

quickfixj-core/src/test/java/quickfix/mina/socksproxy/SocksServerHandler.java

@@ -25,10 +25,10 @@
 import io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthResponse;
 import io.netty.handler.codec.socksx.v5.DefaultSocks5PrivateAuthResponse;
 import io.netty.handler.codec.socksx.v5.Socks5AuthMethod;
+import io.netty.handler.codec.socksx.v5.Socks5InitialRequest;
 import io.netty.handler.codec.socksx.v5.Socks5CommandRequest;
 import io.netty.handler.codec.socksx.v5.Socks5CommandRequestDecoder;
 import io.netty.handler.codec.socksx.v5.Socks5CommandType;
-import io.netty.handler.codec.socksx.v5.Socks5InitialRequest;
 import io.netty.handler.codec.socksx.v5.Socks5PasswordAuthRequest;
 import io.netty.handler.codec.socksx.v5.Socks5PasswordAuthStatus;
 import io.netty.handler.codec.socksx.v5.Socks5PrivateAuthRequest;
@@ -56,6 +56,9 @@ public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) t
                 break;
             case SOCKS5:
                 if (socksRequest instanceof Socks5InitialRequest) {
+                    // auth support example
+                    //ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
+                    //ctx.write(new DefaultSocks5AuthMethodResponse(Socks5AuthMethod.PASSWORD));
                     ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                     ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
                 } else if (socksRequest instanceof Socks5PasswordAuthRequest) {