Add vm box version
Add vm box version

Add vm box version as the versions of puppet used on the box was newer than 3.8.1 - the latest
 version supported.

boffbowsh/ci-puppet,alphagov/ci-puppet,boffbowsh/ci-puppet,boffbowsh/ci-puppet,alphagov/ci-puppet,alphagov/ci-puppet,alphagov/ci-puppet,boffbowsh/ci-puppet