chore(release): link to RHSA for 1.8.0 (#1548)

Signed-off-by: RHDH Build (rhdh-bot) <[email protected]>
Co-authored-by: RHDH Build (rhdh-bot) <[email protected]>

Author: nickboldt

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

@@ -4,3 +4,5 @@
 = 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].
+
+For 1.8.0, see link:https://access.redhat.com/errata/RHSA-2025:20047[Red Hat Security Advisory RHSA-2025:20047].