Python: Add test we don't handle for py/request-without-cert-validation

Author: RasmusWL

python/ql/test/query-tests/Security/CWE-295-RequestWithoutValidation/make_request.py

@@ -36,3 +36,6 @@ def req2(verify):
 # requests treat `None` as default value, which means it is turned on
 requests.get('https://semmle.com') # OK
 requests.get('https://semmle.com', verify=None) # OK
+
+s = requests.Session()
+s.get("url", verify=False) # BAD