Bump celery[redis] from 5.3.1 to 5.3.4

Bumps [celery[redis]](https://github.com/celery/celery) from 5.3.1 to 5.3.4.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.3.1...v5.3.4)

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

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

requirements.txt

@@ -32,7 +32,7 @@ pillow==10.0.1
 reportlab==4.0.5
 requests==2.31.0
 tzdata==2023.3
-celery[redis]==5.3.1
+celery[redis]==5.3.4
 flower==2.0.1