Build(deps): Bump requests from 2.28.1 to 2.31.0 in /sld-schedule

Bumps [requests](https://github.com/psf/requests) from 2.28.1 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.28.1...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
...

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

sld-schedule/requirements.txt

@@ -15,7 +15,7 @@ mysqlclient==2.1.1
 pydantic==1.10.2
 pytz==2022.6
 pytz-deprecation-shim==0.1.0.post0
-requests==2.28.1
+requests==2.31.0
 retrying==1.3.4
 six==1.16.0
 sniffio==1.3.0