chore 📦: Update snippets storage config

This commit updates the configuration for the snippets storage, setting it to 'local'. This change ensures that snippets are stored locally, simplifying the deployment process and improving performance. The configuration update is part of a broader effort to streamline the preflight process.

tasks/testing.yml

@@ -28,6 +28,8 @@
         regexp: '(dir:\s*{{ proxmox_snippets_storage }}[\s\S]*?content\s+)(.*)(?<!snippets)'
         replace: '\1\2,snippets'
       when: not snippets_already_present
+      vars: 
+        proxmox_snippets_storage: local
 
     - name: "[PREFLIGHT] Ensure snippets storage directory exists"
       ansible.builtin.file: