Bump django-sequences from 2.8 to 2.9

Bumps [django-sequences](https://github.com/aaugustin/django-sequences) from 2.8 to 2.9.
- [Commits](aaugustin/django-sequences@2.8...2.9)

---
updated-dependencies:
- dependency-name: django-sequences
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -47,7 +47,7 @@ django-tinymce==3.6.1
 django-grappelli==3.0.8
 django-uuid-upload-path==1.0.0
 django-widget-tweaks==1.5.0
-django-sequences==2.8
+django-sequences==2.9
 oauthlib==3.2.2
 pyopenssl==23.2.0
 pyjwt==2.8.0