Add change note.

2020-05-22 10:46:01 +01:00 · 2020-05-22 10:46:01 +01:00 · 1d479d9a73
--- a/change-notes/2020-05-22-websocket-model.md
+++ b/change-notes/2020-05-22-websocket-model.md
@ -0,0 +1,3 @@
+lgtm,codescanning
+* Modeling of several WebSocket libraries has been added, which may lead to more results from the
+  security queries.