chore(deps): bump urllib3 from 2.5.0 to 2.6.3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](https://github.com/urllib3/urllib3/compare/2.5.0...2.6.3)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
...

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

requirements.txt

@@ -189,7 +189,7 @@ tzdata==2025.2
     # via kombu
 tzlocal==5.3.1
     # via celery
-urllib3==2.4.0
+urllib3==2.6.3
     # via requests
 uvicorn==0.40.0
     # via