Update requests requirement from ~=2.27.1 to ~=2.28.0

Updates the requirements on [requests](https://github.com/psf/requests) to permit the latest version.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.27.1...v2.28.0)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -56,7 +56,7 @@ pytest-flake8~=1.1.1
 pytest-mock~=3.7.0
 pytest-cov~=3.0.0
 codecov~=2.1.12
-requests~=2.27.1
+requests~=2.28.0
 
 # ART
 -e .