Description of problem:

Seeing below errors when trying to mirror the redhat-operator-index:v4.12 catalog.
~~~
error: unable to retrieve source image registry.redhat.io/openshift-gitops-1/must-gather-rhel8 manifest sha256:d0b08ab18fd49457091669e4378c58637fdf732fff866c6d699ae6a6285cc3ad: manifest unknown: manifest unknown

Prerequisites (if any, like setup, operators/versions):

• oc-mirror
• imagesetconfig (attached)

Steps to Reproduce

oc-mirror --config redhat-operators-stable-v4.12.imagesetconfig.yaml file:///tmp/mirror --dry-run --continue-on-error --skip-missing

Actual results:

Errors outlined above.

Expected results:

To complete the oc-mirror operation without missing image manifest errors

Reproducibility (Always/Intermittent/Only Once):

Always

Acceptance criteria: 

Definition of Done:

When the relatedImages field of the current (or previous) published version of the gitops operator points to an image manifest that actually exists.

Build Details:

Additional info (Such as Logs, Screenshots, etc):

N/A