libcue: 2.2.0 -> 2.2.1

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/libcue/versions.

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 2.2.1 with grep in /nix/store/lqppvr2arq1jmmdil3519c2y7hhm0vq3-libcue-2.2.1
- directory tree listing: https://gist.github.com/49da59ef9dfe640d50f9bc6ee72a7457