[deps] Upgraded paramiko to ~=4.0.0

Author: nemesifier

requirements.txt

@@ -10,7 +10,7 @@ openwisp-utils[celery,channels] @ https://github.com/openwisp/openwisp-utils/tar
 openwisp-notifications @ https://github.com/openwisp/openwisp-notifications/tarball/1.2
 openwisp-ipam @ https://github.com/openwisp/openwisp-ipam/tarball/1.2
 djangorestframework-gis @ https://github.com/openwisp/django-rest-framework-gis/tarball/1.2
-paramiko[ed25519]~=3.5.1
+paramiko~=4.0.0
 scp~=0.15.0
 django-cache-memoize~=0.2.1
 shortuuid~=1.0.13