zammad: Fix handler

Ansibles' systemd module doesn't support wildcards

handlers/main.yml

@@ -21,9 +21,7 @@
     state: reloaded
 
 - name: restart zammad
-  ansible.builtin.systemd:
-    name: zammad*
-    state: restarted
+  ansible.builtin.command: systemctl restart zammad*
 
 - name: restart opensearch
   ansible.builtin.service: