fix(ansible): correctly restore IPv6 disablement (#6137)

* = 0 is OK

Signed-off-by: Kento Yabuuchi <kento.yabuuchi.2@tier4.jp>

* fix

Signed-off-by: Kento Yabuuchi <kento.yabuuchi.2@tier4.jp>

---------

Signed-off-by: Kento Yabuuchi <kento.yabuuchi.2@tier4.jp>

Author: KYabuuchi

ansible/roles/agnocast/tasks/main.yaml

@@ -32,10 +32,13 @@
   become: true
 
 - name: Restore original IPv6 settings # noqa: no-changed-when
-  ansible.builtin.command: >
-    sysctl -w {{ item }}
+  ansible.posix.sysctl:
+    name: "{{ item.split('=')[0] | trim }}"
+    value: 0
+    sysctl_set: true
+    state: present
   loop: "{{ ipv6_settings.stdout_lines }}"
-  when: item is search('=0')
+  when: item is search('=\\s*0')
   become: true
 
 - name: Update apt cache