libwps: 0.4.8 -> 0.4.9

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wps2html -v’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wps2raw -v’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wps2raw --version’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wps2text -v’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wks2csv -v’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wks2raw -v’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wks2raw --version’ and found version 0.4.9
- ran ‘/nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9/bin/wks2text -v’ and found version 0.4.9
- found 0.4.9 with grep in /nix/store/ffxxsf65d1lgwg2v456z97waagpn3ng0-libwps-0.4.9
- directory tree listing: https://gist.github.com/a3fdf5973402ddf0aa6d1a0ecd058d41