build(deps): bump celery from 5.3.5 to 5.3.6 in /server

Bumps [celery](https://github.com/celery/celery) from 5.3.5 to 5.3.6.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.3.5...v5.3.6)

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

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

server/requirements/common.txt

@@ -1,4 +1,4 @@
-Celery==5.3.5
+Celery==5.3.6
 crispy-bootstrap5==2023.10
 Django==4.2.7
 django-auditlog==2.3.0