build(deps): bump requests

Bumps the pip group with 1 update in the /backend directory: [requests](https://github.com/psf/requests).


Updates `requests` from 2.32.3 to 2.32.4
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.32.3...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: direct:production
  dependency-group: pip
...

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

backend/requirements.txt

@@ -7,7 +7,7 @@ python-socketio==5.13.0
 python-jose==3.4.0
 passlib[bcrypt]==1.7.4
 
-requests==2.32.3
+requests==2.32.4
 aiohttp==3.11.11
 async-timeout
 aiocache