languagetool: 4.0 -> 4.1

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

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

These checks were done:

- built on NixOS
- ran `/nix/store/nfv5l06pzfk7xicqzawx5syh6mwg9csk-LanguageTool-4.1/bin/languagetool -h` got 0 exit code
- ran `/nix/store/nfv5l06pzfk7xicqzawx5syh6mwg9csk-LanguageTool-4.1/bin/languagetool --help` got 0 exit code
- ran `/nix/store/nfv5l06pzfk7xicqzawx5syh6mwg9csk-LanguageTool-4.1/bin/languagetool-commandline --version` and found version 4.1
- found 4.1 with grep in /nix/store/nfv5l06pzfk7xicqzawx5syh6mwg9csk-LanguageTool-4.1
- directory tree listing: https://gist.github.com/2125d88e98c5831d6acc52597d8d69e5