nixos/tests/uptime-kuma.nix: get rid of `with lib`

import ./make-test-python.nix ({ lib, ... }:

with lib;

{

  name = "uptime-kuma";

  meta.maintainers = with maintainers; [ julienmalka ];

  meta.maintainers = with lib.maintainers; [ julienmalka ];

  nodes.machine =

    { pkgs, ... }: