Bump celery from 5.2.7 to 5.3.1

Bumps [celery](https://github.com/celery/celery) from 5.2.7 to 5.3.1.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](https://github.com/celery/celery/compare/v5.2.7...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

@@ -73,7 +73,7 @@ python-ptrace
 jinja2==3.1.2
 python-multipart==0.0.6
 
-celery==5.2.7
+celery==5.3.1
 redis==4.6.0
 sentencepiece
 

setup.py

@@ -78,7 +78,7 @@ setup(
         'uvicorn==0.21.1',
         'jinja2==3.1.2',
         'python-multipart==0.0.6',
-        'celery==5.2.7',
+        'celery==5.3.1',
         'redis==4.6.0',
         'sentencepiece',
         'bitsandbytes==0.41.0',