Update CVE entry in rad-ignores.sh

Undid previous fix and corrected original issue.

Author: jasnow

lib/rad-ignores.sh

@@ -224,4 +224,4 @@ rm -f gems/kobako/CVE-2026-55107.yml
 # 8/28/2026
 # GHSA-mqcp-p2hv-vw6x - CVE-2025-54314 (thor/Withdrawn)
 # GHSA-9jfq-54vc-9rr2 - CVE-2022-3874  (foreman/Withdrawn)
-# GHSA-fjq9-7vv8-9wjc - CVE-2018-16254 (ruby/Disputed)
+# GHSA-w9fp-2996-hhwx - CVE-2019-16254 (ruby/Disputed)