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] <[email protected]>

requirements.txt

@@ -9,7 +9,7 @@ Flask-Migrate==4.0.5
 Flask-SQLAlchemy==3.1.1
 musicbrainzngs==0.7.1
 sponsorblock.py==0.2.2
-python-dateutil==2.8.2
+python-dateutil==2.9.0
 python-dotenv==1.0.1
 python-magic==0.4.27
 pytest==8.0.0