chore: bump requests from 2.28.1 to 2.28.2 in /tests

Bumps [requests](https://github.com/psf/requests) from 2.28.1 to 2.28.2.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.28.1...v2.28.2)

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

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

tests/requirements_py3.txt

@@ -23,7 +23,7 @@ pytest-xdist==2.5.0
 python-lzo==1.14
 PyYAML==6.0
 redo==2.0.4
-requests==2.28.1
+requests==2.28.2
 six==1.16.0
 toml==0.10.2
 ubi-reader==0.8.5