build(deps): update docutils requirement in /requirements
Updates the requirements on [docutils](https://github.com/rtfd/recommonmark) to permit the latest version.
- [Changelog](https://github.com/readthedocs/recommonmark/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rtfd/recommonmark/commits)
---
updated-dependencies:
- dependency-name: docutils
dependency-version: 0.22.4
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>