chore(deps): bump types-python-dateutil

Bumps [types-python-dateutil](https://github.com/python/typeshed) from 2.9.0.20240316 to 2.9.0.20240821.
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-python-dateutil
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-test.txt

@@ -5,5 +5,5 @@ mypy-extensions==1.0.0
 pylint==3.2.6
 pytest==8.3.2
 pytest-cov==5.0.0
-types-python-dateutil==2.9.0.20240316
+types-python-dateutil==2.9.0.20240821
 types-requests==2.32.0.20240712