Bump urllib3 in /samples/crew-django-redis-postgres/app

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.4.0 to 2.6.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.4.0...2.6.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

samples/crew-django-redis-postgres/app/requirements.txt

@@ -167,7 +167,7 @@ typer==0.15.4
 typing-inspection==0.4.1
 typing_extensions==4.13.2
 tzdata==2025.2
-urllib3==2.4.0
+urllib3==2.6.0
 uv==0.7.7
 uvicorn==0.34.2
 uvloop==0.21.0