fix: add support for Proxmox snippets storage configuration and update related paths

tasks/download-image.yml

@@ -9,7 +9,7 @@
 
 - name: "[IMAGE] Create template directory if missing"
   ansible.builtin.file:
-    path: "/var/lib/vz/template/qemu"
+    path: "{{ proxmox_snippets_storage_path }}/template/qemu"
     state: directory
     mode: "0755"
   when: not debian_img.stat.exists