pqiv: 2.10.2 -> 2.10.3

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/1a0aav46qsmi791vj57cn12hlzsra59l-pqiv-2.10.3/bin/pqiv -h’ got 0 exit code
- ran ‘/nix/store/1a0aav46qsmi791vj57cn12hlzsra59l-pqiv-2.10.3/bin/pqiv --help’ got 0 exit code
- found 2.10.3 with grep in /nix/store/1a0aav46qsmi791vj57cn12hlzsra59l-pqiv-2.10.3
- directory tree listing: https://gist.github.com/bbde9f259adf44f69b8dfc44689b1e49