You can find the source of this version on GitHub at concourse/concourse. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "concourse" version: "4.2.0" url: "https://bosh.io/d/github.com/concourse/concourse?v=4.2.0" sha1: "fdaaf9970e5567d24b45e86e63ffe80b9caf7a67"
Or upload it to your director with the
bosh upload-release --sha1 fdaaf9970e5567d24b45e86e63ffe80b9caf7a67 \ https://bosh.io/d/github.com/concourse/concourse?v=4.2.0