DOC-4505 Feedback update to copy k8s lifecycle note to other RS upgrade path docs

Author: rrelledge

content/operate/rs/installing-upgrading/upgrading/upgrade-cluster.md

@@ -16,6 +16,10 @@ tocEmbedHeaders: true
 
 See the [Redis Enterprise Software product lifecycle]({{<relref "/operate/rs/installing-upgrading/product-lifecycle">}}) for more information about release numbers and the end-of-life schedule.
 
+{{<note>}}
+Redis Enterprise for Kubernetes has its own support lifecycle, which accounts for the Kubernetes distribution lifecycle. For details, see [Supported Kubernetes distributions]({{<relref "/operate/kubernetes/reference/supported_k8s_distributions">}}).
+{{</note>}}
+
 ## Upgrade prerequisites
 
 Before upgrading a cluster:

content/operate/rs/references/upgrade-paths.md

@@ -16,3 +16,7 @@ tocEmbedHeaders: true
 For detailed upgrade instructions, see [Upgrade a Redis Enterprise Software cluster]({{<relref "/operate/rs/installing-upgrading/upgrading/upgrade-cluster">}}).
 
 See the [Redis Enterprise Software product lifecycle]({{<relref "/operate/rs/installing-upgrading/product-lifecycle">}}) for more information about release numbers and the end-of-life schedule.
+
+{{<note>}}
+Redis Enterprise for Kubernetes has its own support lifecycle, which accounts for the Kubernetes distribution lifecycle. For details, see [Supported Kubernetes distributions]({{<relref "/operate/kubernetes/reference/supported_k8s_distributions">}}).
+{{</note>}}