Bump docutils from 0.18.1 to 0.20.1 (#146)

Bumps [docutils](https://docutils.sourceforge.io/) from 0.18.1 to 0.20.1.

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]