Use puppet-apply-dev for Dev VM under VBox
Use puppet-apply-dev for Dev VM under VBox

I think `govuk_puppet` gets bundled into the Vagrant base image. So it's
probably widely out of date and/or may not point to the right script on
first run. So reference `puppet-apply-dev` directly, like VMware does.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet