Update javascript/ql/lib/change-notes/2024-11-28-regexp-unknown-flags.md

Co-authored-by: Erik Krogh Kristensen <erik-krogh@github.com>

Author: Napalys

javascript/ql/lib/change-notes/2024-11-28-regexp-unknown-flags.md

@@ -1,5 +1,5 @@
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 category: majorAnalysis
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-* Queries now flag `new RegExp objects`, not just `regex literals`.
-* `RegExp` queries in JavaScript now account for unknown flags.
+* Queries working with regular expressions now also handle regular expressions constructed using `new RegExp(..)`. Previously some queries didn't handle such regular expressions. 
+* Regular expression related queries now account for unknown flags.