Add rpk to the blurb for What's New

Author: micheleRP

modules/get-started/pages/whats-new-cloud.adoc

@@ -21,7 +21,7 @@ Iceberg topics are supported for BYOC clusters in AWS and GCP.
 
 === Cluster configuration
 
-You can now xref:manage:cluster-maintenance/config-cluster.adoc[configure certain cluster properties] with the Cloud API. For example, you can enable and manage xref:manage:iceberg/about-iceberg-topics.adoc[Iceberg topics], xref:develop:data-transforms/index.adoc[data transforms], and xref:manage:audit-logging.adoc[audit logging]. Available properties are listed in xref:reference:properties/cluster-properties.adoc[Cluster Configuration Properties].
+You can now xref:manage:cluster-maintenance/config-cluster.adoc[configure certain cluster properties] with `rpk` or the Cloud API. For example, you can enable and manage xref:manage:iceberg/about-iceberg-topics.adoc[Iceberg topics], xref:develop:data-transforms/index.adoc[data transforms], and xref:manage:audit-logging.adoc[audit logging]. Available properties are listed in xref:reference:properties/cluster-properties.adoc[Cluster Configuration Properties].
 
 Iceberg topics properties are available for clusters running Redpanda version 25.1 or later.