Update release note content

Following the changes made to create releases automatically, this MR adjusts the content of the auto-generated Release notes by adding details on the different AWS images that can be downloaded.

Manual testing.

A fork of this project was used to create(test) releases.

Content of this fork's .gitlab-ci.yml file: https://gitlab.com/ebaque/cloud-deploy/-/blob/release-with-image-digest/.gitlab-ci.yml

Release generated (after creation of lightweight tag): https://gitlab.com/ebaque/cloud-deploy/-/releases/2.17

Closes gitlab#267158 (closed)