Bump vobject from 0.9.7 to 0.9.8 (#10989)

Bumps [vobject](https://github.com/py-vobject/vobject) from 0.9.7 to 0.9.8.
- [Release notes](https://github.com/py-vobject/vobject/releases)
- [Commits](py-vobject/vobject@v0.9.7...v0.9.8)

---
updated-dependencies:
- dependency-name: vobject
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -40,7 +40,7 @@ requests==2.32.3
 sqlalchemy==2.0.35  # Required by Celery broker transport
 urllib3==1.26.18
 uWSGI==2.0.27
-vobject==0.9.7
+vobject==0.9.8
 whitenoise==5.2.0
 titlecase==2.4.1
 social-auth-app-django==5.4.2