Merge pull request #36923 from bergerhoffer/OSDOCS-2627-49-upgrading-version

OSDOCS-2627: Replacing TODO with the expected z-stream

Author: bergerhoffer

updating/updating-cluster-prepare.adoc

@@ -7,12 +7,10 @@ toc::[]
 
 {product-title} 4.9 uses Kubernetes 1.22, which removed a significant number of deprecated `v1beta1` APIs.
 
-4.8.TODO introduced a requirement that an administrator must provide a manual acknowledgment before the cluster can be upgraded from {product-title} 4.8 to 4.9. This is to help prevent issues after upgrading to {product-title} 4.9, where APIs that have been removed are still in use by workloads, tools, or other components running on or interacting with the cluster. Administrators must evaluate their cluster for any APIs in use that will be removed and migrate the affected components to use the appropriate new API version. After this is done, the administrator can provide the administrator acknowledgment.
+4.8.14 introduced a requirement that an administrator must provide a manual acknowledgment before the cluster can be upgraded from {product-title} 4.8 to 4.9. This is to help prevent issues after upgrading to {product-title} 4.9, where APIs that have been removed are still in use by workloads, tools, or other components running on or interacting with the cluster. Administrators must evaluate their cluster for any APIs in use that will be removed and migrate the affected components to use the appropriate new API version. After this evaluation and migration is complete, the administrator can provide the acknowledgment.
 
 Before you can upgrade your {product-title} 4.8 cluster to 4.9, you must provide the administrator acknowledgment.
 
-// TODO: Update to specify which 4.8 z-stream this check was introduced in.
-
 // Removed Kubernetes APIs
 include::modules/update-preparing-list.adoc[leveloffset=+1]