feat ✨: Add task to install proxmoxer package via APT in testing.yml

tasks/testing.yml

@@ -4,6 +4,11 @@
   tasks:
     # - name: Import variables from Ansible vault
     #   ansible.builtin.include_vars: secrets.yml
+    - name: Install proxmoxer from APT
+      apt:
+        name: python3-proxmoxer
+        state: present
+        update_cache: yes
 
     - name: Deploy templates with proxmox_template_vm
       ansible.builtin.include_role: