Replace include_tasks with include again if used in a loop

tasks/main.yml

@@ -11,7 +11,7 @@
 
   - include_tasks: rules.yml
 
-  - include_tasks: rules.drupal.yml
+  - include: rules.drupal.yml
     with_nested:
       - '{{groups["webserver-drupal"]}}'
       - ['rule.drupal.syslog', 'rule.drupal.apache']