Merge pull request #82 from chef/dependabot/bundler/chefstyle-1.2.1

Update chefstyle requirement from = 1.2.0 to 1.2.1

Gemfile

@@ -9,7 +9,7 @@ group :docs do
 end
 
 group :test do
-  gem "chefstyle", "= 1.2.0"
+  gem "chefstyle", "1.2.1"
   gem "rake"
   gem "rspec", "~> 3.0"
 end