chore: add static link to the 1.6.0 RHSA (#1170)

Author: nickboldt

modules/release-notes/ref-release-notes-fixed-security-issues.adoc

@@ -2,4 +2,8 @@
 [id="fixed-security-issues"]
 = Fixed security issues
 
-You can view the security issues fixed in {product} {product-version} at link:https://access.redhat.com/security/security-updates/cve?q=red+hat+developer+hub&p=1&sort=cve_publicDate+desc,allTitle+desc&rows=10&documentKind=Cve[Red Hat Security Updates].
+You can view the security issues fixed in {product} {product-version} at link:https://access.redhat.com/security/security-updates/cve?q=red+hat+developer+hub&p=1&sort=cve_publicDate+desc,allTitle+desc&rows=10&documentKind=Cve[Red Hat Security Updates].
+
+// For 1.6.1, see link:https://access.redhat.com/errata/RHSA-2025:????[Red Hat Security Advisory RHSA-2025:????].
+
+For 1.6.0, see link:https://access.redhat.com/errata/RHSA-2025:7626[Red Hat Security Advisory RHSA-2025:7626].