Update micro-image to version 2023 / rev 2 via SR 1097013
https://build.opensuse.org/request/show/1097013
by user dirkmueller + favogt_factory
- label capitalization and related cleanups
- Add release stage and lifecycle url
- switch versioning to rolling Tumbleweed schema
- Add org.opencontainers.image.source label set to %SOURCEURL%
- Bump copyright year