Update truthy values to true/false only, #204 (#387)

Co-authored-by: Techno Tim <timothystewart6@gmail.com>

molecule/resources/verify_from_outside/tasks/test/deploy-example.yml

@@ -35,7 +35,7 @@
     - name: Assert that the nginx welcome page is available
       ansible.builtin.uri:
         url: http://{{ ip | ansible.utils.ipwrap }}:{{ port_ }}/
-        return_content: yes
+        return_content: true
       register: result
       failed_when: "'Welcome to nginx!' not in result.content"
       vars: