fix: support parsing manifest config JSON containing data: (#4340)

[nicolas-boussuge-fintech]

Fixes #4340 🛠️

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[nicolas-boussuge-fintech]

@chanseokoh I allowed myself to create this PR, is it ok with you ?

[chanseokoh]

I am not the repo maintainer, sorry.

[nicolas-boussuge-fintech]

@mpeddada1 are you or do you know a maintainer for this project ?

[nicolas-boussuge-fintech]

@ldetmer can you review this ? I am having difficulties using the latest debian images as source images.

[tlimin-glb]

Hello @ldetmer, @mpeddada1 , @suztomo, @blakeli0
I see that you have recently reviewed some PRs in this project. Could you review this one please?

[Jonathan-Diaz-Rosa]

I facing the exactly same issue that should be corrected by this PR, anyone for review this one please ?

[vvanroye-payplug]

I don't understand why this fix is not merged.

I drop a way to patch your Base Image before using JIB.

      skopeo login $REGISTRY
      skopeo copy docker://$DOCKER_IMAGE_TARGET oci-archive:image.tar
      mkdir -p image-patched
      tar -xf image.tar -C image-patched
      MANIFEST_DIGEST=$(jq -r '.manifests[0].digest' image-patched/index.json | cut -d: -f2)
      yq -i 'del(.config.data)' image-patched/blobs/sha256/$MANIFEST_DIGEST
      tar -cf image-patched.tar -C image-patched .
      skopeo copy oci-archive:image-patched.tar docker://$DOCKER_IMAGE_TARGET