Bump types-python-dateutil from 2.9.0.20241003 to 2.9.0.20241206

Bumps [types-python-dateutil](https://github.com/python/typeshed) from 2.9.0.20241003 to 2.9.0.20241206.
- [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]>

Author: dependabot[bot]

pyproject.toml

@@ -81,7 +81,7 @@ dev-mypy = [
   "frequenz-client-dispatch[cli,dev-mkdocs,dev-noxfile,dev-pytest]",
   "grpc-stubs == 1.53.0.5",
   "types-protobuf == 5.28.3.20241030",
-  "types-python-dateutil == 2.9.0.20241003",
+  "types-python-dateutil == 2.9.0.20241206",
 ]
 dev-noxfile = ["nox == 2024.10.9", "frequenz-repo-config[lib] == 0.11.0"]
 dev-pylint = [