fail2ban: Switch to ansible.builtin.systemd module

roles/fail2ban/handlers/main.yml

@@ -18,7 +18,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 - name: restart fail2ban service
-  service:
+  systemd:
     name: "fail2ban"
     state: "restarted"
+    daemon_reload: true
   become: true

roles/fail2ban/tasks/main.yml

@@ -71,9 +71,13 @@
   notify: restart fail2ban service
   become: true
 
+- name: Flush handlers
+  meta: flush_handlers
+
 - name: Ensure fail2ban service is enabled and started.
-  service:
+  systemd:
     name: fail2ban
     state: started
     enabled: true
+    daemon_reload: true
   become: true