Merge pull request #36649 from skrthomas/OSDOCS-1837-rn

OSDOCS-1837: Release note for Ingress TLS 1.3 support

Author: jeana-redhat

Diff for: release_notes/ocp-4-9-release-notes.adoc

@@ -405,6 +405,12 @@ For clusters that run on {rh-openstack}, you can now configure Octavia for load
 
 // TODO: Link when doc is merged.
 // For more information, see xref:../
+[id="ocp-4-9-nw-tls-profile"]
+==== Support added for TLS 1.3 and the Modern profile
+
+This release adds Ingress Controller support for TLS 1.3 and the `Modern` profile in HAProxy.
+
+For more information, see xref:../networking/ingress-operator.adoc#configuring-ingress-controller-tls[Ingress Controller TLS security profiles].
 
 [id="ocp-4-9-networking-hsts"]
 ==== Global admission plug-in for HTTP Strict Transport Security requirements