C++: Add change-note.

2021-05-21 10:57:23 +02:00 · 2021-05-21 10:57:23 +02:00 · 84b0b8c2bd
--- a/cpp/change-notes/2021-05-21-unsafe-strncat.md
+++ b/cpp/change-notes/2021-05-21-unsafe-strncat.md
@ -0,0 +1,2 @@
+lgtm
+* The "Potentially unsafe call to strncat" query (cpp/unsafe-strncat) query has been improved to detect more cases of unsafe calls to `strncat`.