fix: restart firewalld after change

ansible/roles/install_node_exporter/tasks/main.yaml

@@ -71,3 +71,9 @@
   when:
     - "'firewalld.service' in ansible_facts.services"
     - ansible_facts.services["firewalld.service"].state == "running"
+
+- name: Enable and start firewalld
+  ansible.builtin.service:
+    name: firewalld
+    enabled: true
+    state: restarted