style 💎: Update API host variable

Updated the `api_host` variable to use the `node_ip` instead of a hardcoded value, following the new configuration pattern.

tasks/setupacdc.yml

@@ -25,7 +25,7 @@
         node: "{{ node_ip }}"
         api_user: root@pam
         api_password: "{{ proxmox_password }}"
-        api_host: node0
+        api_host: "{{ node_ip }}"
         password: 123456
         hostname: "{{ addc_hostname }}"
         ostype: debian