Bump paramiko from 2.11.0 to 4.0.0

Bumps [paramiko](https://github.com/paramiko/paramiko) from 2.11.0 to 4.0.0.
- [Commits](paramiko/paramiko@2.11.0...4.0.0)

---
updated-dependencies:
- dependency-name: paramiko
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ jinja2==2.11.3
 flask-pyoidc==1.3.0
 gunicorn==20.0.4
 markupsafe==2.0.1
-paramiko==2.11.0
+paramiko==4.0.0
 proxmoxer==1.1.1
 psutil==5.8.0
 psycopg2-binary==2.9.3