FreeBSD - Override sensu_package to Fastly latest name

vars/FreeBSD.yml

@@ -4,6 +4,7 @@
 
 # Sensu config/package properties
 sensu_config_path: /usr/local/etc/sensu
+sensu_package: sensu-latest
 
 # RabbitMQ options
 rabbitmq_config_path: /usr/local/etc/rabbitmq