Bug Report

Type: bug report

What happened

I got such error when syncing knative images from gcr.io

ERRO[2022-06-02 15:30:19] Get blob info from gcr.io/knative-releases/knative.dev/client/cmd/kn:sha256-7954fe11a6dce1ec92f77355f2d8438dc39a0e34195e294becb9f70631397ca3.sbom error: unsupported manifest type: application/vnd.oci.image.manifest.v1+json

What you expected to happen

How to reproduce it (as minimally and precisely as possible)

Anything else we need to know?

Environment

• image-syncer version:
• OS (e.g. cat /etc/os-release):
• Registry version (e.g. habor):
• Others: