`metadata-api`: Increment port to 3087 from 3086
`metadata-api`: Increment port to 3087 from 3086

The port 3086 is currently being used by the `sidekiq-monitoring`
application that transition uses. Removing this conflict when running
on the development VM.

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