[enterprise-4.20] OADP-7028: Prepare OADP 1.5 RNs for DITA

[vashirova]

Cherry Picked from commit f3301bc xref:https://github.com/openshift/openshift-docs/pull/103629

[openshift-ci-robot]

@vashirova: This pull request references OADP-7028 which is a valid jira issue.

In response to this:

Cherry Picked from commit f3301bc xref:https://github.com/openshift/openshift-docs/pull/103629

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 openshift-eng/jira-lifecycle-plugin repository.

[vashirova]

/label OADP

[ocpdocs-previewbot]

🤖 Wed Dec 17 15:36:14 - Prow CI generated the docs preview:

https://104055--ocpdocs-pr.netlify.app/ https://104055--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/release-notes/oadp-1-5-release-notes.html https://104055--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/release-notes/oadp-upgrade-notes-1-5.html https://104055--ocpdocs-pr.netlify.app/openshift-enterprise/latest/release_notes/addtl-release-notes.html

[openshift-ci[bot]]

@vashirova: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/validate-portal	ec922f80280f66023a7883bf3d23893f29192904	link	true	/test validate-portal

Full PR test history. Your PR dashboard.

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-sigs/prow repository. I understand the commands that are listed here.