Document Packages in Ansible playbooks and Dockerfiles

_...If we want to go to that level in the playbooks we would want to go through a separate exercise of doing that for every package we use?..._

_Originally posted by @sxa in https://github.com/adoptium/infrastructure/pull/2657#discussion_r914527131_

Start by inventorying the Ansible playbooks and Dockerfiles that contain package declarations, then review the linked discussion for the intended documentation scope. Done means the agreed package information is documented consistently across the relevant playbooks and Dockerfiles.

Written by the indexing model from the issue text.