Add change note for 'with' expression extraction

tamasvajk · tamasvajk · commit cb9116028ce9 · 2021-02-12T20:04:22.000+01:00
diff --git a/csharp/change-notes/2021-02-12-with-expression.md b/csharp/change-notes/2021-02-12-with-expression.md
@@ -0,0 +1,4 @@
+lgtm,codescanning
+* C# 9 `with` expressions are now extracted. Data flow support has been added to
+handle flow through `with` expressions and also from `record` constructor arguments
+to its properties.
