added open-iscsi to packagelist for longhorn

Author: andreacasini

asciidoc/product/atip-management-cluster.adoc

@@ -158,6 +158,7 @@ operatingSystem:
   packages:
     packageList:
     - jq
+    - open-iscsi
     sccRegistrationCode: $SCC_REGISTRATION_CODE
 kubernetes:
   version: {version-kubernetes-rke2}