[needs discussion] strategy to promote (or block) collections from -stage to -prod publication

[christinklez]

Discussed on June 17th. Notes here: https://docs.google.com/document/d/1g1L5I_6sNwjLP5fjYigeyqrSXDvf4AW4w-VCE64XKIo/edit#bookmark=id.umgg1318rplt