Merge pull request #98924 from jmanthei/OSDOCS-16143

OSDOCS-16143 ExternalDNS Release Note Update

Author: jab-rh

networking/networking_operators/external_dns_operator/external-dns-operator-release-notes.adoc

@@ -15,6 +15,15 @@ The External DNS Operator is only supported on the `x86_64` architecture.
 
 These release notes track the development of the External DNS Operator in {product-title}.
 
+[id="external-dns-operator-release-notes-1.3.1"]
+== External DNS Operator 1.3.1
+
+The following advisory is available for the External DNS Operator version 1.3.1:
+
+* link:https://access.redhat.com/errata/RHEA-2025:15598[RHEA-2025:15598 Product Enhancement Advisory]
+
+This update includes improved container security.
+
 [id="external-dns-operator-release-notes-1.3.0"]
 == External DNS Operator 1.3.0