fatsort: 1.3.365 -> 1.4.2.439

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

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

These checks were done:

- built on NixOS
- ran `/nix/store/b33c7wq3ps8qwpx6yy05ml23k764i6cm-fatsort-1.4.2.439/bin/fatsort -h` got 0 exit code
- ran `/nix/store/b33c7wq3ps8qwpx6yy05ml23k764i6cm-fatsort-1.4.2.439/bin/fatsort --help` got 0 exit code
- directory tree listing: https://gist.github.com/9465f304d46013ae6d70d46558fd0c45