Bump python-dateutil from 2.6.1 to 2.9.0.post0

Bumps [python-dateutil](https://github.com/dateutil/dateutil) from 2.6.1 to 2.9.0.post0.
- [Release notes](https://github.com/dateutil/dateutil/releases)
- [Changelog](https://github.com/dateutil/dateutil/blob/master/NEWS)
- [Commits](dateutil/dateutil@2.6.1...2.9.0.post0)

---
updated-dependencies:
- dependency-name: python-dateutil
  dependency-version: 2.9.0.post0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.in

@@ -20,7 +20,7 @@ oic~=1.6.1
 pip-tools~=7.4.1
 psycopg2-binary~=2.9.3
 pylint~=3.3.6
-python-dateutil~=2.6.1
+python-dateutil~=2.9.0
 python-editor~=1.0.3
 sentry-sdk[flask]~=2.24.1
 six~=1.17.0

requirements.txt

@@ -150,7 +150,7 @@ pyproject-hooks==1.2.0
     # via
     #   build
     #   pip-tools
-python-dateutil==2.6.1
+python-dateutil==2.9.0.post0
     # via -r requirements.in
 python-dotenv==1.2.1
     # via pydantic-settings