Bump celery from 5.3.1 to 5.3.3

Bumps [celery](https://github.com/celery/celery) from 5.3.1 to 5.3.3.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.3.1...v5.3.3)

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

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

requirements.txt

@@ -4,7 +4,7 @@ aiohttp==3.8.5
 gidgethub==5.3.0
 cachetools==5.3.1
 redis==4.6.0
-celery==5.3.1
+celery==5.3.3
 sentry-sdk==1.29.2
 click==8.1.6