chore(deps): bump docutils from 0.21.2 to 0.22

Bumps [docutils](https://github.com/rtfd/recommonmark) from 0.21.2 to 0.22.
- [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'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements/documentation.txt

@@ -1,2 +1,2 @@
-docutils==0.21.2
+docutils==0.22
 pdoc3==0.11.6