wstunnel: correct listen option

nixos/modules/services/networking/wstunnel.nix

···
         description = mdDoc "Address and port to listen on. Setting the port to a value below 1024 will also give the process the required `CAP_NET_BIND_SERVICE` capability.";
         type = types.submodule hostPortSubmodule;
         default = {
-          address = "0.0.0.0";
+          host = "0.0.0.0";
           port = if config.enableHTTPS then 443 else 80;
         };
         defaultText = literalExpression ''
           {
-            address = "0.0.0.0";
+            host = "0.0.0.0";
             port = if enableHTTPS then 443 else 80;
           }
         '';