chore(deps): bump requests from 2.25.1 to 2.26.0 in /test/requirements

Bumps [requests](https://github.com/psf/requests) from 2.25.1 to 2.26.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/master/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.25.1...v2.26.0)

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

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

test/requirements/python-requirements.txt

@@ -2,4 +2,4 @@ backoff==1.10.0
 docker-compose==1.28.5
 docker==4.4.4
 pytest==6.2.2
-requests==2.25.1
+requests==2.26.0