style: make ansible-lint happier

roles/mailman/tasks/main.yml

@@ -1,21 +1,22 @@
 ---
 
-- name: install mailman3 and dependencies
-  package:
+- name: Install mailman3 and dependencies
+  ansible.builtin.package:
     name: "{{ item }}"
     state: present
   loop:
     - mailman3-full
     - sqlite3
 
-- name: put mailman3 config file
-  copy:
+- name: Put mailman3 config file
+  ansible.builtin.copy:
     src: ./files/mailman.cfg
     dest: /etc/mailman3/mailman.cfg
-  notify: restart mailman3
+    mode: 0644
+  notify: Restart mailman3
 
-- name: start mailman3 service
-  service:
+- name: Start mailman3 service
+  ansible.builtin.service:
     name: mailman3
     state: started
     enabled: true