Force the cert name so that we keep using the same name even if the list of domains has changed

tasks/cert_generate.yml

@@ -19,7 +19,7 @@
       state: 'present'
 
   - name: "Install New Cert"
-    shell: certbot certonly --expand --non-interactive --config /etc/letsencrypt/{{ cert.domain }}.ini --http-01-port {{ port }} --preferred-challenges http-01
+    shell: certbot certonly --expand --non-interactive --config /etc/letsencrypt/{{ cert.domain }}.ini --http-01-port {{ port }} --preferred-challenges http-01 --cert-name {{ cert.domain }}
     ignore_errors: true
 
   - name: "Close Port"