try fixing gitea ci: v3

dsl.nix

@@ -554,9 +554,11 @@ rec {
               Gateway = hostAddr;
             };
             networkConfig.DNS = [ hostAddr ];
+            networkConfig.Domains = [ "~." "containers" ];
             linkConfig.RequiredForOnline = if allowInternet then "routable" else "degraded";
           };
           networking.enableIPv6 = false;
+          networking.nameservers = [ hostAddr ];
         };
       };
     });