Add hussh to requirements.txt for ssh testing.

requirements.txt

@@ -7,6 +7,7 @@ cryptography==42.0.5
 deepdiff==7.0.1
 dynaconf[vault]==3.2.5
 fauxfactory==3.1.1
+hussh==0.1.4
 jinja2==3.1.3
 manifester==0.0.14
 navmazing==1.2.2
@@ -27,7 +28,6 @@ tenacity==8.2.3
 testimony==2.4.0
 wait-for==1.2.0
 wrapanapi==3.6.0
-
 # Get airgun, nailgun and upgrade from master
 airgun @ git+https://github.com/SatelliteQE/airgun.git@master#egg=airgun
 nailgun @ git+https://github.com/SatelliteQE/nailgun.git@master#egg=nailgun