Reapply "fix: Manage preference"

This reverts commit 5b871f1c48.

tasks/repositories.yml

@@ -32,13 +32,9 @@
 - name: Ajouter le fichier de priorité
   ansible.builtin.template:
     src: preferences.j2
-    dest: /etc/apt/preferences.d/{{ item.priority }}-{{ item.name }}
+    dest: /etc/apt/preferences.d/40-debian
     owner: root
     group: root
     mode: u=rw,g=r,o=r
-  when: apt_preferences | length > 0
   become: true
-  loop: "{{ apt_preferences }}"
-  loop_control:
-    label: "{{ item.name }}"
   notify: Mettre à jour le cache