JS: Change note

Author: asgerf

javascript/ql/src/change-notes/2023-04-14-more-call-graph-steps.md

@@ -0,0 +1,5 @@
+---
+category: minorAnalysis
+---
+* Improved the call graph to better handle the case where a function is stored on
+  a plain object and subsequently copied to a new host object via an `extend` call.