[deps] Update celery requirement from ~=5.4.0 to ~=5.5.3

Updates the requirements on [celery](https://github.com/celery/celery) to permit the latest version.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.4.0...v5.5.3)

---
updated-dependencies:
- dependency-name: celery
  dependency-version: 5.5.3
  dependency-type: direct:development
...

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Federico Capoano <[email protected]>

Author: dependabot[bot]

setup.py

@@ -54,7 +54,7 @@
             "pytest-asyncio>=0.24,<0.27",
             "pytest-django>=4.10,<4.12",
         ],
-        "celery": ["celery~=5.4.0"],
+        "celery": ["celery~=5.5.3"],
         "selenium": ["selenium>=4.10,<4.35"],
     },
     classifiers=[