ci(kitchen): change `log_level` to `debug` instead of `info`

* Automated using https://github.com/myii/ssf-formula/pull/41

kitchen.yml

@@ -132,7 +132,7 @@ platforms:
 
 provisioner:
   name: salt_solo
-  log_level: info
+  log_level: debug
   salt_install: none
   require_chef: false
   formula: syslog_ng