Put back correct GHSA reference

Author: jasnow

gems/bootstrap/CVE-2018-14041.yml

@@ -1,6 +1,7 @@
 ---
 gem: bootstrap
 cve: 2018-14041
+ghsa: pj7m-g53m-7638
 url: https://blog.getbootstrap.com/2018/07/12/bootstrap-4-1-2
 title: Bootstrap vulnerable to Cross-Site Scripting (XSS)
 date: 2018-09-13
@@ -24,3 +25,4 @@ related:
     - https://seclists.org/bugtraq/2019/May/18
     - https://www.oracle.com/security-alerts/cpuApr2021.html
     - https://www.tenable.com/security/tns-2021-14
+    - https://github.com/advisories/GHSA-pj7m-g53m-7638