Modify x-pack to for `TcpTransport` changes

This is related to elatic/elasticsearch#27407. That commit removed
parameterization from TcpTranport. This commit modifies the security
transport to be compatible with those changes.

Original commit: elastic/x-pack-elasticsearch@9878c26e14

plugin/src/main/java/org/elasticsearch/xpack/security/transport/netty4/SecurityNetty4Transport.java

@@ -109,7 +109,7 @@ public class SecurityNetty4Transport extends Netty4Transport {
     }
 
     @Override
-    protected void onException(NettyTcpChannel channel, Exception e) {
+    protected void onException(TcpChannel channel, Exception e) {
         if (!lifecycle.started()) {
             // just close and ignore - we are already stopped and just need to make sure we release all resources
             TcpChannel.closeChannel(channel, false);