You can find the source of this version on GitHub at cloudfoundry/diego-release. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "diego" version: "2.3.0" url: "https://bosh.io/d/github.com/cloudfoundry/diego-release?v=2.3.0" sha1: "699bfbd2a53409cb45b1f174692b6008e42552b8"
Or upload it to your director with the
bosh upload-release --sha1 699bfbd2a53409cb45b1f174692b6008e42552b8 \ https://bosh.io/d/github.com/cloudfoundry/diego-release?v=2.3.0