Fix example of docker-compose module (#674)

(cherry picked from commit e21d6d3)

plugins/modules/docker_compose.py

@@ -229,7 +229,7 @@
       ansible.builtin.debug:
         var: output
 
-    - name: Verify that web and db services are running
+    - name: Verify that web and db services are not running
       ansible.builtin.assert:
         that:
           - "not output.services.web.flask_web_1.state.running"