JS: Change note about guards in server-side url redirect

Author: asgerf

javascript/ql/src/change-notes/2025-02-21-test-suite.md

@@ -0,0 +1,5 @@
+---
+category: fix
+---
+* Fixed a recently-introduced bug that caused `js/server-side-unvalidated-url-redirection` to ignore
+  valid hostname checks and report spurious alerts after such a check. The original behaviour has been restored.