fix: Increase APT cache valid time (fixes #6)

tasks/main.yml

@@ -2,7 +2,7 @@
 - name: Update apt cache
   ansible.builtin.apt:
     update_cache: yes
-    cache_valid_time: 600
+    cache_valid_time: 3600
   become: true
   when:
     - ansible_pkg_mgr == "apt"