Merge pull request #63033 from cbippley/OSDOCS-6454b

OSDOCS-6454 featureset addition

Author: jldohmann

modules/nodes-cluster-enabling-features-about.adoc

@@ -30,6 +30,7 @@ The following Technology Preview features are enabled by this feature set:
 ** Pod disruption budget (PDB) unhealthy pod eviction policy. Enables support for specifying how unhealthy pods are considered for eviction when using PDBs. (`PDBUnhealthyPodEvictionPolicy`)
 ** Dynamic Resource Allocation API. Enables a new API for requesting and sharing resources between pods and containers. This is an internal feature that most users do not need to interact with. (`DynamicResourceAllocation`)
 ** Pod security admission enforcement. Enables the restricted enforcement mode for pod security admission. Instead of only logging a warning, pods are rejected if they violate pod security standards. (`OpenShiftPodSecurityAdmission`)
+** StatefulSet pod availability upgrading limits. Enables users to define the maximum number of statefulset pods unavailable during updates which reduces application downtime. (`MaxUnavailableStatefulSet`)
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