Update dependency types-docutils to v0.21.0.20250809

Author: renovate[bot]

pyproject.toml

@@ -34,7 +34,7 @@ dev-dependencies= [
     "pytest==8.4.1",
     "pytest-cov==6.2.1",
     "sphinxcontrib-autoprogram==0.1.9",
-    "types-docutils==0.20.0.20240310",
+    "types-docutils==0.21.0.20250809",
     "pylint==3.3.7",
     "furo>=2024.0.0",
     "sphinx>=8.2 ; python_full_version >= '3.11'",