Add cache valid time and do not iterate over packages

tasks/apt.yml

@@ -7,10 +7,7 @@
 
 - name: Install essential packages
   package:
-    name: "{{ item }}"
+    name:
-    state: present
-  become: true
-  with_items:
       - vim
       - emacs
       - git
@@ -28,3 +25,6 @@
       - sudo
       - aptitude
       - curl
+    state: present
+    cache_valid_time: yes
+  become: true