Bump rsa from 4.7 to 4.9

Bumps [rsa](https://github.com/sybrenstuvel/python-rsa) from 4.7 to 4.9.
- [Changelog](https://github.com/sybrenstuvel/python-rsa/blob/main/CHANGELOG.md)
- [Commits](sybrenstuvel/python-rsa@version-4.7...version-4.9)

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

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

Author: dependabot[bot]

requirements.txt

@@ -61,7 +61,7 @@ qtconsole==4.7.1
 QtPy==1.9.0
 requests==2.31.0
 requests-oauthlib==1.3.0
-rsa==4.7
+rsa==4.9
 scikit-learn==0.22.2.post1
 scipy==1.12.0
 Send2Trash==1.5.0