Move bundler cache from /home/jenkins/bundles
Move bundler cache from /home/jenkins/bundles

Per e5aef562b6ef92124386360084c89319cd8fbedd.

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