Adds OMR 3.7.5 update

Author: Steven Smith

modules/mirror-registry-release-notes.adoc

@@ -11,6 +11,15 @@ These release notes track the development of the _mirror registry for Red Hat Op
 
 For an overview of the _mirror registry for Red Hat OpenShift_, see xref:../../installing/disconnected_install/installing-mirroring-creating-registry.html#mirror-registry-flags_installing-mirroring-creating-registry[Creating a mirror registry with mirror registry for Red Hat OpenShift].
 
+[id="mirror-registry-for-openshift-1-2-4"]
+== Mirror registry for Red Hat OpenShift 1.2.4
+
+_Mirror registry for Red Hat OpenShift_ is now available with Red Hat Quay 3.7.5.
+
+The following advisory is available for the _mirror registry for Red Hat OpenShift_:
+
+* link:https://access.redhat.com/errata/RHBA-2022:5884[RHBA-2022:5884 - mirror registry for Red Hat OpenShift 1.2.4]
+
 [id="mirror-registry-for-openshift-1-2-3"]
 == Mirror registry for Red Hat OpenShift 1.2.3