chore(deps): bump requests from 2.28.2 to 2.29.0 (#484)

Bumps [requests](https://github.com/psf/requests) from 2.28.2 to 2.29.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.28.2...v2.29.0)

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

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

requirements-test.txt

@@ -1,5 +1,5 @@
 iso8601==1.1.0
-requests==2.28.2
+requests==2.29.0
 securesystemslib==0.28.0
 six==1.16.0
 tuf==2.0.0