chore: add stalwart required tls alt names

- add alt-names for service addresses stalwart is expected to reply too

hieradata/roles/infra/mail/backend.yaml

@@ -7,7 +7,13 @@ hiera_include:
 # additional altnames
 profiles::pki::vault::alt_names:
   - mail.main.unkin.net
+  - mail-webadmin.main.unkin.net
   - imap.main.unkin.net
+  - imaps.main.unkin.net
+  - smtp.main.unkin.net
+  - main-in.main.unkin.net
+  - autoconfig.main.unkin.net
+  - autodiscovery.main.unkin.net
 
 # manage a pgsql database + user
 profiles::sql::postgresdb::cluster_name: "patroni-shared-%{facts.environment}"