feat ✨: Add default languages for APT translations

This commit adds default languages for APT translations by updating the `defaults/main.yml` file and adding new tasks in `tasks/apt.yml` to configure APT translations and force IPv4. Additionally, a task to configure apt has been added.

tasks/apt.yml

@@ -0,0 +1,31 @@
+---
+# -------------------------------------------------
+# Reduce apt translation downloads (use defaults)
+# -------------------------------------------------
+- name: Configure APT translations using default languages
+  ansible.builtin.copy:
+    dest: /etc/apt/apt.conf.d/99-languages
+    content: |
+      Acquire::Languages {
+      {% for lang in proxmox_apt_languages %}
+        "{{ lang }}";
+      {% endfor %}
+      };
+    owner: root
+    group: root
+    mode: '0644'
+
+# -------------------------------------------------
+# Force APT to use IPv4
+# -------------------------------------------------
+- name: Force APT to use IPv4
+  ansible.builtin.copy:
+    dest: /etc/apt/apt.conf.d/99force-ipv4
+    content: 'Acquire::ForceIPv4 "true";'
+    owner: root
+    group: root
+    mode: '0644'
+
+- name: Update apt cache
+  ansible.builtin.apt:
+    update_cache: yes