Add running of Snyk againsts runtime dependencies.

pipeline_generator/templates/bitbucket-pipelines.yml.j2

@@ -43,3 +43,14 @@ pipelines:
              - cd roles/{{ spath.parts[2] }}
              - pipenv run molecule test -s {{ spath.parts[4] }}
        {% endfor %}
+
+        - step:
+           name: Run Snyk security scan
+           services:
+             - docker
+           script:
+              - ./bin/install-ansible --dev
+              - apt-get update && apt-get install -y npm
+              - npm install -g snyk
+              - snyk auth $SNYK_TOKEN
+              - pipenv run snyk test --severity-threshold=high