add role tag to certbot role

roles/certbot/tasks/main/http_01_cert.yaml

@@ -1,4 +1,6 @@
+---
 - name: get expiry date before
+  tags: [ "certbot" ]
   ansible.builtin.command: /usr/bin/openssl x509 -enddate -noout -in /etc/letsencrypt/live/{{ item }}/fullchain.pem
   ignore_errors: true
   become: true
@@ -6,11 +8,13 @@
   register: certbot__cert_expiry_before
 
 - name: obtain the certificate using certbot
+  tags: [ "certbot" ]
   ansible.builtin.command: /usr/bin/certbot certonly --keep-until-expiring --agree-tos --non-interactive --email "{{ certbot__acme_account_email_address }}" --no-eff-email --standalone --http-01-port "{{ certbot__http_01_port }}" -d "{{ item }}"
   become: true
   changed_when: false
 
 - name: get expiry date after
+  tags: [ "certbot" ]
   ansible.builtin.command: /usr/bin/openssl x509 -enddate -noout -in /etc/letsencrypt/live/{{ item }}/fullchain.pem
   become: true
   changed_when: false