Bump docutils from 0.20.1 to 0.21.2

Bumps [docutils](https://docutils.sourceforge.io) from 0.20.1 to 0.21.2.

---
updated-dependencies:
- dependency-name: docutils
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -10,7 +10,7 @@ coverage[toml]==7.4.4 ; python_version >= '3.7'
 
 dill==0.3.8 ; python_version >= '3.11'
 
-docutils==0.20.1 ; python_version >= '3.7'
+docutils==0.21.2 ; python_version >= '3.7'
 
 flit==3.9.0