Bump kitchen-ec2 to 3.3.0
Bump kitchen-ec2 to 3.3.0

This pull request was triggered automatically via Expeditor when kitchen-ec2 3.3.0 was promoted to Rubygems.

This change falls under the obvious fix policy so no Developer Certificate of Origin (DCO) sign-off is required.

chef/chef-dk,chef/chef-dk,chef/chef-dk