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>

Author: dependabot[bot]

poetry.lock

@@ -10,7 +10,7 @@ python = "^3.9"
 # Integration tests dependencies.
 invoke = "^2.2.0"
 pytest = "^8.0.2"
-python-dateutil = "^2.8.2"
+python-dateutil = "^2.9.0"
 semver = "^3.0.2"
 
 # Documentation generation dependencies.