Move configuration of the apt proxy to the defaults

roles/fai/defaults/main.yml

@@ -20,7 +20,7 @@ timeservers:
 ntpservers:
   - "{{ server_address }}"
 apt_cacher_offline_mode: false
-use_apt_cache_for_server: false
+use_apt_cache_for_server: true
 
 fai_etc_dir: "/etc/fai"
 fai_dir: "/srv/fai"

roles/fai/tasks/apt-cacher-ng.yml

@@ -61,7 +61,7 @@
 - name: "Set apt cache also for installer host"
   become: true
   ansible.builtin.copy:
-    dest: "/etc/apt/apt.conf.d/00proxy"
+    dest: "/etc/apt/apt.conf.d/02proxy"
     content: |
       Acquire::http::Proxy "http://localhost:3142";
     owner: root