altair: 7.3.6 -> 8.0.0 (#349901)

let

  pname = "altair";

  version = "7.3.6";

  version = "8.0.0";

  src = fetchurl {

    url = "https://github.com/imolorhe/altair/releases/download/v${version}/altair_${version}_x86_64_linux.AppImage";

    sha256 = "sha256-jXFEpcmv8bkm7Yyo2GUwoakMlAwArCoZ1jIDeyF87Ms=";

    sha256 = "sha256-q3AkqhE0hD6+cCv5UeZ4uyUi6Adrmxv4jMGYN7Keias=";

  };

  appimageContents = appimageTools.extract { inherit pname version src; };