Update types-docutils requirement from ~=0.21 to ~=0.22 (#507)

---
updated-dependencies:
- dependency-name: types-docutils
  dependency-version: 0.22.0.20250814
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/requirements-doc.txt

@@ -2,4 +2,4 @@
 myst-parser~=4.0
 sphinx~=8.2.3
 furo==2025.7.19
-types-docutils~=0.21
+types-docutils~=0.22