Merge pull request #220738 from Atemu/update/xanmod

let

  # These names are how they are designated in https://xanmod.org.

  ltsVariant = {

    version = "6.1.15";

    hash = "sha256-KQ/1C8/nCQL8y/eTHQNJDYb/BSjwzdrUKdK05bSwuSI=";

    version = "6.1.16";

    hash = "sha256-w44mynSAcxx9jpTfj/3LiB2eZKzOBzH2rBKzvXqKQJU=";

    variant = "lts";

  };

  mainVariant = {

    version = "6.2.2";

    hash = "sha256-YQSaIiGzszuOSO3rYnuBeucvhVlnue24b3ECRTH55bg=";

    version = "6.2.3";

    hash = "sha256-C3Vwgk3UyD638CYeO2z+GBjmCTMVC2fwU7HyX8bxgxg=";

    variant = "main";

  };