Bump python-dateutil from 2.8.2 to 2.9.0

Bumps [python-dateutil](https://github.com/dateutil/dateutil) from 2.8.2 to 2.9.0.
- [Release notes](https://github.com/dateutil/dateutil/releases)
- [Changelog](https://github.com/dateutil/dateutil/blob/master/NEWS)
- [Commits](dateutil/dateutil@2.8.2...2.9.0)

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

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

test_reqs.txt

@@ -10,7 +10,7 @@ factory_boy==3.3.0
 six==1.16.0
 pycodestyle==2.11.1
 mccabe==0.7.0
-python-dateutil==2.8.2
+python-dateutil==2.9.0
 
 # boto3
 urllib3==2.2.1