Releases: Add a description to products releases

The following discussion from !12245 (merged) should be addressed:

• @arvidnl started a discussion: (+2 comments)

  Another note for the future

  

  when we add more release types we should add a small description. I'm thinking just a phrase like:

  This is an Octez release containing ... or This is an Etherlink release containing

  So the users can understand the difference between the two.