Update Certbot task

[rylabs-billy]

Update certbot task to avoid using nginx plugin, in favor of static configuration from Jinja templates. Using the nginx plugin puts way too much trust and dependency on the work of that plugin, when we can be more declarative and repeatable about this.

nomad-occ/roles/nomad/tasks/nginx.yml

Lines 53 to 57 in 3531b8f

	- name: run certbot
	shell:
	cmd: "certbot -n --nginx --agree-tos --redirect -d {{ rdns }} -m {{ email_address }}"
	run_once: true
	delegate_to: "{{ groups['nomad_cluster'][0] }}"