Bump conllu from 2.2 to 2.2.1 (#3669)
Bump conllu from 2.2 to 2.2.1 (#3669)

Bumps [conllu](https://github.com/EmilStenstrom/conllu) from 2.2 to 2.2.1.
- [Release notes](https://github.com/EmilStenstrom/conllu/releases)
- [Commits](https://github.com/EmilStenstrom/conllu/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
allenai/allennlp,allenai/allennlp,allenai/allennlp,allenai/allennlp