chore 📦: Update Proxmox repo configuration with file permissions and ownership

This commit updates the Proxmox repository configuration to include specific file permissions and ownership settings. This ensures that the repository is properly secured and accessible by authorized users.

✔ Explicit ownership
✔ Explicit permissions
✔ Idempotent

tasks/repos.yml

@@ -10,6 +10,9 @@
 - name: repos | Enable Proxmox no-subscription repo
   ansible.builtin.copy:
     dest: /etc/apt/sources.list.d/pve-no-subscription.list
+    owner: root
+    group: root
+    mode: "0644"
     content: |
       deb http://download.proxmox.com/debian/pve {{ ansible_distribution_release }} pve-no-subscription
   notify: apt update