C++: Add change note

2023-12-08 13:31:32 +01:00 · 2023-12-08 13:31:32 +01:00 · c6b0a2363a
--- a/cpp/ql/lib/change-notes/2023-12-08-ususerinput-deprecation.md
+++ b/cpp/ql/lib/change-notes/2023-12-08-ususerinput-deprecation.md
@ -0,0 +1,4 @@
+---
+category: deprecated
+---
+* The `isUserInput`, `userInputArgument`, and `userInputReturned` predicates from `SecurityOptions` have been deprecated. Use `FlowSource` instead.