Update cafy requirement from 12.0.0 to 12.1.0 (#4099)
Update cafy requirement from 12.0.0 to 12.1.0 (#4099)

Updates the requirements on [cafy](https://github.com/syuilo/cafy) to permit the latest version.
- [Release notes](https://github.com/syuilo/cafy/releases)
- [Changelog](https://github.com/syuilo/cafy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/syuilo/cafy/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
syuilo/Misskey,syuilo/Misskey