Bump requests from 2.28.1 to 2.31.0 in /examples/rrsa/python3-sdk (#219)

Bumps [requests](https://github.com/psf/requests) from 2.28.1 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.28.1...v2.31.0)

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

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

examples/rrsa/python3-sdk/requirements.txt

@@ -25,7 +25,7 @@ multidict==6.0.4
 oss2==2.16.0
 pycparser==2.21
 pycryptodome==3.17
-requests==2.28.1
+requests==2.31.0
 six==1.16.0
 urllib3==1.26.12
 yarl==1.8.1