Split apt update cache (fix install when cache is outdated)

tasks/install.yml

@@ -1,11 +1,14 @@
 ---
 
+- name: APT | Update cache 
+  apt: >
+    update_cache=yes
+    cache_valid_time=3600
+
 - name: APT | Install nginx and dependencies
   apt: >
     pkg={{ nginx_apt_package }}
     state=present
-    update_cache=yes
-    cache_valid_time=3600
     default_release={{ ansible_distribution_release + '-backports' if nginx_backports else ansible_distribution_release }}
 
 - name: APT | Install python-passlib