Change module apt with multiple packages to remove deprecated syntax

tasks/main.yml

@@ -24,11 +24,12 @@
 
   - name: "Install more packages"
     apt:
-      pkg='{{ item }}'
+      pkg='{{ packages }}'
       state='present'
       update_cache=yes
-    with_items:
-      - 's3cmd'
+    vars:
+      packages:
+        - 's3cmd'
 
   - name: "Ensure directory"
     file: