Upgrade collectd-cdn from 0.2.0 to 0.2.1
Upgrade collectd-cdn from 0.2.0 to 0.2.1

https://github.com/gds-operations/collectd-cdn/compare/v0.2.0...v0.2.1

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