buildx/util/imagetools
CrazyMax b702188b65
imagetools(create): set correct media type when combining manifests
When using imagetools create and combining multiple sources
we should check the media type of each manifest and set
the right media type for the manifest list.

If there is a mismatch we set OCI index as best effort.

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
..
create.go imagetools(create): set correct media type when combining manifests
inspect.go imagetools inspect: multi-platform support
loader.go imagetools: process com.docker.reference.* annotations
printers.go inspect: lazily load attestation data