Bump celery from 5.2.3 to 5.3.1

Bumps [celery](https://github.com/celery/celery) from 5.2.3 to 5.3.1.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.2.3...v5.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,5 +1,5 @@
 arcus==1.2.11
-celery==5.2.3
+celery==5.3.1
 pymongo==3.10.1
 sentry-sdk==0.16.0
 requests==2.21