Auto merge of #931 - ferjm:fix.vagrant.url, r=jdm

Fix vagrant hashicorp url

More details: hashicorp/vagrant#9442

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Vagrantfile

@@ -1,5 +1,7 @@
 require 'yaml'
 
+Vagrant::DEFAULT_SERVER_URL.replace('https://vagrantcloud.com')
+
 def extract_id(env)
   id = env.map do |env_var|
     env_var[/^SALT_NODE_ID=(?<node_id>.+)$/, "node_id"]