build(deps): bump rsa from 4.0 to 4.1 in /requirements

Bumps [rsa](https://github.com/sybrenstuvel/python-rsa) from 4.0 to 4.1.
- [Release notes](https://github.com/sybrenstuvel/python-rsa/releases)
- [Changelog](https://github.com/sybrenstuvel/python-rsa/blob/main/CHANGELOG.md)
- [Commits](sybrenstuvel/python-rsa@version-4.0...version-4.1)

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

Author: dependabot[bot]

requirements/base.txt

@@ -46,7 +46,7 @@ pyasn1==0.4.5
 pyasn1-modules==0.2.5
 pycparser==2.20
 pyparsing==2.4.7
-rsa==4.0
+rsa==4.1
 six==1.15.0
 uritemplate==3.0.1
 urllib3==1.25.3