CNV-37725: update doc link to 4.15

[gouyang]

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[openshift-ci-robot]

@gouyang: This pull request references CNV-37725 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.16.0" version, but no target version was set.

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📝 Description

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🎥 Demo

Please add a video or an image of the behavior/changes

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[metalice]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gouyang, metalice

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[metalice]

/cherry-pick release-4.15

[openshift-cherrypick-robot]

@metalice: new pull request created: #1763

In response to this:

/cherry-pick release-4.15

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