Bump paramiko from 2.6.0 to 2.7.1
Bumps [paramiko](https://github.com/paramiko/paramiko) from 2.6.0 to 2.7.1.
- [Release notes](https://github.com/paramiko/paramiko/releases)
- [Changelog](https://github.com/paramiko/paramiko/blob/master/NEWS)
- [Commits](https://github.com/paramiko/paramiko/compare/2.6.0...2.7.1)
Signed-off-by: dependabot-preview[bot] <[email protected]>