Please publish somewhere else than Docker Hub (as well)

[mirabilos]

This affects both the eol and live images:

Given the info from https://dood.net/objects/4068fba7-4726-468c-89ea-3fb8b07cc00e it may be dangerous for some to use Docker Hub, so pushing to another container registry might be useful… or maybe multiple, for load balancing, too (e.g. could use GitHub’s for the GitHub Action jobs, but maybe Salsa has a docker registry that could be used by regular users?).