Scope update: because https://github.com/eclipse-che/che-docs/pull/2548 was opened by an SME, this issue is now about reviewing their PR.

This issue is about documenting https://github.com/eclipse/che/issues/21724 (despite the fact that this is probably documented as part of CheCluster CR).

See the release note text inhttps://issues.redhat.com/browse/CRW-3639 for a summary.

Consult with the SMEs whether this new content relates to an already documented procedure. If so, then consider incorporating this info as an admonition: