build(deps): bump types-docutils in /deps (#2796)

Bumps [types-docutils](https://github.com/typeshed-internal/stub_uploader) from 0.21.0.20250708 to 0.21.0.20250715.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-docutils
  dependency-version: 0.21.0.20250715
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

deps/requirements.txt

@@ -64,7 +64,7 @@ yarl>=1.7.2
 zstandard
 
 types-aiofiles
-types-docutils==0.21.0.20250708
+types-docutils==0.21.0.20250715
 types-frozendict
 types-orjson
 types-protobuf