dockerfile: detect base image with wrong platform being used #4924
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Detect the case where the resolved base image does not match the expected platform from request. This can happen in two main cases:
--platform
flag).Fixes docker/buildx#844
This isn't directly a linter issue as Dockerfile is not using a wrong command/flag but the base image is problematic. I still used the same naming schema but we probably don't want to include it in the rules docs.