qmmp: 1.2.1 -> 1.2.2

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

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

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/wmri4qc7h7p1xb90x82fjknxpq8mr50c-qmmp-1.2.2/bin/qmmp had a zero exit code or showed the expected version
- 0 of 1 passed binary check by having a zero exit code.
- 0 of 1 passed binary check by having the new version present in output.
- found 1.2.2 with grep in /nix/store/wmri4qc7h7p1xb90x82fjknxpq8mr50c-qmmp-1.2.2
- directory tree listing: https://gist.github.com/5df37ecfd2a1e3650a65dec2b57cef84
- du listing: https://gist.github.com/49d55015de390d6d3f1477dad43024ac