Replace deprecated "include" directive in Ansible 2.4

tasks/main.yml

@@ -7,9 +7,9 @@
 
 - block:
 
-  - include: install.yml
+  - include_tasks: install.yml
 
-  - include: configure.yml
+  - include_tasks: configure.yml
 
   - name: 'Remember that this role had been run'
     set_fact: role_fail2ban_completed=true