Bump requests from 2.28.0 to 2.28.1 (#366)

Bumps [requests](https://github.com/psf/requests) from 2.28.0 to 2.28.1.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.28.0...v2.28.1)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements_test.txt

@@ -2,4 +2,4 @@ pytest==7.1.2
 pytest-cov==3.0.0
 pytest-timeout==2.1.0
 # tests require sub-dependencies of starlette
-requests==2.28.0
+requests==2.28.1