Updating Werkzeug to 0.15.5

Signed-off-by: Mike Raineri <michael.raineri@dell.com>

Author: mraineri

packageSets/Env-Local-Python3.5.2_requirements.txt

@@ -12,4 +12,4 @@ requests==2.20.0
 six==1.10.0
 StringGenerator==0.2.0
 urllib3==1.26.5
-Werkzeug==0.15.3
+Werkzeug==0.15.5