Update types-python-dateutil requirement from >= 2.8.19.14 to >=2.9.0.20241206

Updates the requirements on [types-python-dateutil](https://github.com/python/typeshed) to permit the latest version.
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20241206
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -22,7 +22,7 @@ pytest = ">=8.3.5"
 pytest-cov = ">=5.0.0"
 tox = ">=4.25.0"
 flake8 = ">=5.0.4"
-types-python-dateutil = ">= 2.8.19.14"
+types-python-dateutil = ">=2.9.0.20241206"
 mypy = ">=1.14.1"