Bump requests from 2.30.0 to 2.31.0 in /requirements

Bumps [requests](https://github.com/psf/requests) from 2.30.0 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@v2.30.0...v2.31.0)

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

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

requirements/requirements-dev.lock.txt

@@ -340,7 +340,7 @@ readme-renderer[md]==37.3
     # via
     #   -r requirements/requirements-test.lock.txt
     #   twine
-requests==2.30.0
+requests==2.31.0
     # via
     #   -r requirements/requirements-test.lock.txt
     #   coreapi

requirements/requirements-test.lock.txt

@@ -202,7 +202,7 @@ readme-renderer[md]==37.3
     # via
     #   -r requirements/requirements-test.in
     #   twine
-requests==2.30.0
+requests==2.31.0
     # via
     #   coreapi
     #   djangorestframework-stubs