fmit: 1.1.13 -> 1.1.14

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

This update was made based on information from https://repology.org/metapackage/fmit/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 1.1.14 with grep in /nix/store/3n6m5ipvpy4wkxaagzq2gwx7w3zvk6m1-fmit-1.1.14
- directory tree listing: https://gist.github.com/1f691b378929e55b2019578fa597a792