Broker dependency updated to resolve ssh2-python limitation/packageve…

…r issue (#14275)

Broker dependency updated to resolve limitation issue

(cherry picked from commit d901176)

requirements.txt

@@ -36,5 +36,5 @@ git+https://github.com/SatelliteQE/[email protected]#egg=nailgun
 # In the meantime, we install directly from the repo
 # [1] - https://github.com/ParallelSSH/ssh2-python/issues/193
 # [2] - https://github.com/pypi/warehouse/issues/7136
-git+https://github.com/SatelliteQE/[email protected].5#egg=broker
+git+https://github.com/SatelliteQE/[email protected].7#egg=broker
 --editable .