[TIDY] Move to ansible_facts dict instead of injected variables

tasks/caddy-setup.yml

@@ -40,6 +40,6 @@
 - name: Caddyserver - Add standard user to www-data group
   become: true
   ansible.builtin.user:
-    name: "{{ ansible_user_id }}"
+    name: "{{ ansible_facts['user_id'] }}"
     groups: www-data
     append: true