Replace broken link with archive.org link.

Author: intrigus-lgtm

java/ql/src/experimental/Security/CWE/CWE-295/JxBrowserWithoutCertValidation.qhelp

@@ -26,7 +26,7 @@ all certificate errors are ignored. In the 'GOOD' case, certificate errors are r
 
 <references>
 <li>Teamdev:
-<a href="https://jxbrowser.support.teamdev.com/support/discussions/topics/9000051708">
+<a href="http://web.archive.org/web/20210306075539/https://jxbrowser.support.teamdev.com/support/discussions/topics/9000051708">
 Changelog of JxBrowser 6.24</a>.</li>
 </references>
 </qhelp>