Merge pull request #2679 from dlackty/patch-1

Use new hash syntax for generated spec

lib/generators/sidekiq/templates/worker_spec.rb.erb

@@ -1,6 +1,6 @@
 require 'rails_helper'
 <% module_namespacing do -%>
-RSpec.describe <%= class_name %>Worker, :type => :worker do
+RSpec.describe <%= class_name %>Worker, type: :worker do
     pending "add some examples to (or delete) #{__FILE__}"
 end
-<% end -%>
+<% end -%>