devenv: bump nix (#402812)

    src = fetchFromGitHub {

      owner = "domenkozar";

      repo = "nix";

      rev = "090394819020afda8eae69e395b1accba9c0fab2";

      hash = "sha256-eUYh7+PgqLXTt8/9IOxEuW2qyxADECmTic8QNhEwKSw=";

      rev = "b455edf3505f1bf0172b39a735caef94687d0d9c";

      hash = "sha256-bYyjarS3qSNqxfgc89IoVz8cAFDkF9yPE63EJr+h50s=";

    };

    doCheck = false;

    doInstallCheck = false;