Update Python 'setuptools' module to resolve issue

Symptom of issue was this message:

error in cryptography setup command: Invalid environment marker: platform_python_implementation != 'PyPy'

bin/provision_test_vms.sh

@@ -17,7 +17,9 @@ function install_terraform() {
 
 function install_ansible() {
     sudo apt-get update || true
-    sudo apt-get install -qq -y python-pip python-dev libffi-dev libssl-dev && pip install --user -U cffi && pip install --user ansible
+    sudo apt-get install -qq -y python-pip python-dev libffi-dev libssl-dev \
+        && pip install --user -U setuptools cffi \
+        && pip install --user ansible
     export PATH="$PATH:$HOME/.local/bin"
 }