Add support of OCI images to image pruner

User Story

As a user of OpenShift
I want the image pruner to be aware of OCI images
So that it doesn't delete their layers/configs

Acceptance Criteria

• • When
    • an OCI image is pushed/mirrored to the registry
    • an schema 2 image is pushes/mirrored to the registry and share its layers/config with the OCI image
    • the schema 2 image is eligible to be pruned
    • the shared layers/config are not shared with other images
  • the pruner
    • will delete the schema 2 image
    • will NOT delete the OCI image and its layers/config

Launch Checklist

Dependencies identified
Blockers noted and expected delivery timelines set
Design is implementable
Acceptance criteria agreed upon
Story estimated

Notes

Add pertinent notes here:

• Enhancement proposal link
• Previous product docs
• Best practices
• Known issues

Guiding Questions

User Story

• Is this intended for an administrator, application developer, or other type of OpenShift user?
• What experience level is this intended for? New, experienced, etc.?
• Why is this story important? What problems does this solve? What benefit(s) will the customer experience?
• Is this part of a larger epic or initiative? If so, ensure that the story is linked to the appropriate epic and/or initiative.

Acceptance Criteria

• How should a customer use and/or configure the feature?
• Are there any prerequisites for using/enabling the feature?

Notes

• Is this a new feature, or an enhancement of an existing feature? If the latter, list the feature and docs reference.
• Are there any new terms, abbreviations, or commands introduced with this story? Ex: a new command line argument, a new custom resource.
• Are there any recommended best practices when using this feature?
• On feature completion, are there any known issues that customers should be aware of?