shaarli: 0.9.6 -> 0.9.7

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

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

These checks were done:

- built on NixOS

- 0 of 0 passed binary check by having a zero exit code.
- 0 of 0 passed binary check by having the new version present in output.
- found 0.9.7 with grep in /nix/store/qb0qnz5g71qcigji532rz8fb3fmds607-shaarli-0.9.7
- directory tree listing: https://gist.github.com/d5b4de9629307cb77b06763e100b9ffd
- du listing: https://gist.github.com/db083d0d397fa00514a7de0a57879f39