[enterprise-4.12] OCPBUGS-10984: Document the --skip-pruning oc-mirror flag

[openshift-cherrypick-robot]

This is an automated cherry-pick of #57896

/assign bergerhoffer

[openshift-ci-robot]

@openshift-cherrypick-robot: Could not make automatic cherrypick of Jira Issue OCPBUGS-10984 for this PR as the target version is not set for this branch in the jira plugin config. Running refresh:
/jira refresh

In response to this:

This is an automated cherry-pick of #57896

/assign bergerhoffer

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[openshift-ci-robot]

@openshift-ci-robot: This pull request references Jira Issue OCPBUGS-10984, which is invalid:

• expected the bug to be in one of the following states: NEW, ASSIGNED, POST, but it is ON_QA instead
• expected Jira Issue OCPBUGS-10984 to depend on a bug in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

@openshift-cherrypick-robot: Could not make automatic cherrypick of Jira Issue OCPBUGS-10984 for this PR as the target version is not set for this branch in the jira plugin config. Running refresh:
/jira refresh

In response to this:

This is an automated cherry-pick of #57896

/assign bergerhoffer

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-10984 is in an unrecognized state (ON_QA) and will not be moved to the MODIFIED state.

In response to this:

This is an automated cherry-pick of #57896

/assign bergerhoffer

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.