[UPDATE] Update celery requirement from <7,>=5.6.2 to >=5.6.3,<7

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/v5.6.3/Changelog.rst)
- [Commits](https://github.com/celery/celery/compare/v5.6.2...v5.6.3)

---
updated-dependencies:
- dependency-name: celery
  dependency-version: 5.6.3
  dependency-type: direct:production
...

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

pyproject.toml

@@ -49,7 +49,7 @@ dependencies = [
     "requests>=2.32.5,<3.0.0",
     "honcho>=2.0.0",
     "psutil>=7.2.2,<8.0.0",
-    "celery[redis]>=5.6.2,<7",
+    "celery[redis]>=5.6.3,<7",
     "django-celery-results>=2.5.1",
     "django-celery-beat>=2.9.0",
 ]