add role tag to certbot role

roles/certbot/tasks/main/certs.yaml

@@ -1,14 +1,18 @@
+---
 - name: obtain http-01 challenge certificates
+  tags: [ "certbot" ]
   loop: "{{ certbot__certificate_domains }}"
   ansible.builtin.include_tasks:
     file: main/http_01_cert.yaml
 
 - name: validate certs config
+  tags: [ "certbot" ]
   loop: "{{ certbot__certs }}"
   ansible.builtin.include_tasks:
     file: main/validate_cert.yaml
 
 - name: obtain certs
+  tags: [ "certbot" ]
   loop: "{{ certbot__certs }}"
   ansible.builtin.include_tasks:
     file: main/cert.yaml