build(deps): bump django-celery-beat from 2.8.1 to 2.9.0 (#1295)

Bumps [django-celery-beat](https://github.com/celery/django-celery-beat) from 2.8.1 to 2.9.0.
- [Release notes](https://github.com/celery/django-celery-beat/releases)
- [Changelog](https://github.com/celery/django-celery-beat/blob/main/Changelog)
- [Commits](https://github.com/celery/django-celery-beat/compare/v2.8.1...v2.9.0)

---
updated-dependencies:
- dependency-name: django-celery-beat
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -6,7 +6,7 @@ croniter==6.0.0
 defusedxml==0.7.1
 Django==5.2.12
 django-allauth[socialaccount]==65.14.1
-django-celery-beat==2.8.1
+django-celery-beat==2.9.0
 django-celery-results==2.6.0
 django_debug_toolbar==6.2.0
 django-health-check[celery,redis]==4.2.1