chore(deps): bump types-python-dateutil (#409)

Bumps [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader) from 2.9.0.20251108 to 2.9.0.20251115.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20251115
  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]

requirements-test.txt

@@ -5,5 +5,5 @@ mypy-extensions==1.1.0
 pylint==4.0.3
 pytest==9.0.1
 pytest-cov==7.0.0
-types-python-dateutil==2.9.0.20251108
+types-python-dateutil==2.9.0.20251115
 types-requests==2.32.4.20250913