games/veloren-weekly: add new port

An experiment for multiplayer to avoid the following:

ERROR veloren_voxygen::menu::main: Client Init failed raw error e=ClientError { error: StreamErr(Deserialize(InvalidTagEncoding(64))), mismatched_server_info: Some(ServerInfo { name: "Official Veloren Server", description: "Welcome to the Veloren Pre-Alpha. Enjoy your journey!", git_hash: "da9cd799", git_date: "2023-01-18", auth_provider: Some("https://auth.veloren.net") }) }