fix strange bug with wire[netty.NettyServer] in production

```sh
sbt stage
./target/universal/stage/bin/lila-ws -Dconfig.file=/home/thib/lila-ws/src/main/resources/application.conf
```

```
Exception in thread "main" java.lang.NoSuchMethodError: 'void lila.ws.netty.NettyServer.<init>(org.apache.pekko.actor.typed.ActorSystem, lila.ws.Router, com.typesafe.config.Config, scala.concurrent.ExecutionContext, org.apache.pekko.actor.typed.Scheduler)'
        at lila.ws.LilaWs$.nettyServer$lzyINIT1(LilaWs.scala:36)
        at lila.ws.LilaWs$.nettyServer(LilaWs.scala:36)
        at lila.ws.LilaWs$.<clinit>(LilaWs.scala:41)
        at lila.ws.LilaWs.main(LilaWs.scala)
```

src/main/scala/LilaWs.scala

@@ -33,8 +33,9 @@ object LilaWs extends App:
   lazy val router        = wire[Router]
   lazy val seenAt        = wire[SeenAtUpdate]
   lazy val auth          = wire[Auth]
-  lazy val nettyServer   = wire[netty.NettyServer]
-  lazy val monitor       = wire[Monitor]
+  // `wire[netty.NettyServer]` fails in production!
+  lazy val nettyServer = netty.NettyServer(clientSystem, router, config, settings)
+  lazy val monitor     = wire[Monitor]
 
   wire[LilaHandler] // must eagerly instanciate!
   wire[RelayCrowd]  // must eagerly instanciate!