Rakefile in chef-handler-datadog-0.11.0 vs Rakefile in chef-handler-datadog-0.12.0

@@ -1,14 +1,16 @@
 #!/usr/bin/env rake
-# encoding: utf-8
+
+# frozen_string_literal: true
+
 require 'rubygems'
 require 'bundler/gem_tasks'
 
 require 'rake/clean'
 require 'rspec/core/rake_task'
 require 'rubocop/rake_task'
 
-task default: [:cops, :spec]
+task default: %i[cops spec]
 
 CLEAN.include(['coverage/', 'doc/', 'pkg/'])
 
 RSpec::Core::RakeTask.new(:spec)