fix: ensure nginx restarts on certificate changes (#402)

Add hasrestart => true to nginx service in simpleproxy profile to ensure
nginx performs a full restart (not reload) when certificate files change.
This is required because nginx reload does not pick up SSL certificate
changes from disk.

Reviewed-on: #402

site/profiles/manifests/nginx/simpleproxy.pp

@@ -136,9 +136,10 @@ class profiles::nginx::simpleproxy (
     }
 
     service { 'nginx':
-      ensure    => true,
-      enable    => true,
-      subscribe => [
+      ensure     => true,
+      enable     => true,
+      hasrestart => true,
+      subscribe  => [
         File[$selected_ssl_cert],
         File[$selected_ssl_key],
         Nginx::Resource::Server[$nginx_vhost]