libsForQt5.quazip: 0.7.1 -> 0.7.3

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. 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.)
- directory tree listing: https://gist.github.com/fd2172c4a80f17d789d4e62fcb99e8a0