roles: use fully qualified module names

roles/common/handlers/main.yml

@@ -1,23 +1,23 @@
 ---
-# file: roles/common/handlers/main.yml
+# ansible.builtin.file: roles/common/handlers/main.yml
 
 - name: reload sshd
-  systemd: name={{ sshd_service_name }} state=reloaded
+  ansible.builtin.systemd: name={{ sshd_service_name }} state=reloaded
 
 - name: reload sysctl
   command: sysctl -p /etc/sysctl.conf
 
 - name: restart firewalld
-  systemd: name=firewalld state=restarted
+  ansible.builtin.systemd: name=firewalld state=restarted
 
 - name: reload systemd
-  systemd: daemon_reload=yes
+  ansible.builtin.systemd: daemon_reload=yes
 
 - name: restart nftables
-  systemd: name=nftables state=restarted
+  ansible.builtin.systemd: name=nftables state=restarted
 
 # 2021-09-28: note to self to keep fail2ban at the end, as handlers are executed
 # in the order they are defined, not in the order they are listed in the task's
 # notify statement and we must restart fail2ban after updating the firewall.
 - name: restart fail2ban
-  systemd: name=fail2ban state=restarted
+  ansible.builtin.systemd: name=fail2ban state=restarted