fix typo for default version
fix typo for default version

shortdudey123/chef-elasticsearch-cluster,shortdudey123/chef-elasticsearch-cluster,vkhatri/chef-elasticsearch-cluster,Eurotherm/chef-elasticsearch-cluster,vkhatri/chef-elasticsearch-cluster,Eurotherm/chef-elasticsearch-cluster,Eurotherm/chef-elasticsearch-cluster,shortdudey123/chef-elasticsearch-cluster,vkhatri/chef-elasticsearch-cluster