upgrade paramiko version

Change-Id: I4a758c2eb252f9f4a217af208eb64bbf1b4eb50b
Reviewed-on: https://review.couchbase.org/c/perfrunner/+/168202
Tested-by: Build Bot <[email protected]>
Reviewed-by: Bo-Chun Wang <[email protected]>

Author: bochun

requirements.txt

@@ -18,7 +18,7 @@ jinja2==2.9.6
 multidict==5.1.0
 nose==1.3.7
 numpy==1.19.4
-paramiko==2.4.2
+paramiko==2.9.0
 pep8-naming==0.5.0
 psutil==5.2.2
 pydocstyle==2.1.1