shaarli: 0.9.5 -> 0.9.6

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

This update was made based on information from https://repology.org/metapackage/shaarli/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 0.9.6 with grep in /nix/store/4asag0l86pv5s0klsgh61zga9ih1sllq-shaarli-0.9.6
- directory tree listing: https://gist.github.com/00a45b2940bf8949773bbdbe4e80767d