this is a proof of concept

there is no

• timeout on the CPU time for long-running tasks
• parallelism in terms of chaining the containers together
  • the runner container could probably launch to sbt server at the same time as the updater container and then have run sent to it
• other limits that are probably important for security
• GitHub Actions that checks that Images.SBT_IMAGE and Images.SCALA_CLI_TAG are up to date

I really don't want to maintain this so I'm just uploading it so someone can polish the concept