Update python-dateutil requirement from ~=2.8.2 to ~=2.9.0

Updates the requirements on [python-dateutil](https://github.com/dateutil/dateutil) to permit the latest version.
- [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.post0)

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

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

requirements.txt

@@ -11,7 +11,7 @@ git+https://github.com/Rurusetto/rurusetto-django-allauth.git
 django-colorfield~=0.10.1
 django-admin-interface~=0.26.0
 python-decouple~=3.8
-python-dateutil~=2.8.2
+python-dateutil~=2.9.0
 boto3~=1.28.10
 django-storages~=1.13
 gunicorn~=20.1.0