Move the "overdue publications in Whitehall" alert to AWS.
Move the "overdue publications in Whitehall" alert to AWS.

This Icinga check should run in the same environment as Whitehall so as
to minimise dependencies between hosting providers.

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