Fix deprecation warning (Ansible 2.7)

Signed-off-by: Knut Ahlers <knut@ahlers.me>

meta/main.yml

@@ -13,7 +13,7 @@ galaxy_info:
   # - Apache
   # - CC-BY
   license: Apache
-  min_ansible_version: 1.3
+  min_ansible_version: 2.7
   #
   # Below are all platforms currently available. Just uncomment
   # the ones that apply to your role. If you don't see your

tasks/main.yml

@@ -2,12 +2,11 @@
 
 - name: Install required packages for autoupdate
   apt:
-    name: '{{ item }}'
-    cache_valid_time: 86400
-  with_items:
+    name:
       - unattended-upgrades
       - update-notifier-common
       - sendmail
+    cache_valid_time: 86400
 
 - name: Enable automatic update / upgrade
   copy: