fix: set default value for filter rule state

tasks/configure_iptables_external.yml

@@ -8,5 +8,6 @@
     jump: "{{ item.jump | default('DROP') }}"
     protocol: "{{ item.protocol | default('tcp') }}"
     source: "{{ item.source }}"
+    state: "{{ item.state | default('present') }}"
   loop: "{{ vault_iptables_external }}"
   notify: save iptables rules