Bump docutils from 0.21.2 to 0.22.4

Bumps [docutils](https://github.com/rtfd/recommonmark) from 0.21.2 to 0.22.4.
- [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
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -7,7 +7,7 @@ breathe==4.36.0
 certifi==2026.2.25
 colorama==0.4.6
 Cython==3.2.4
-docutils==0.21.2
+docutils==0.22.4
 idna==3.11
 imagesize==1.5.0
 importlib-metadata>=4.8.0,<9.0.0