Python: Add change note for improved open modeling

RasmusWL · RasmusWL · commit e2c4af303161 · 2020-11-25T11:39:02.000+01:00
diff --git a/python/change-notes/2020-11-25-better-open-models.md b/python/change-notes/2020-11-25-better-open-models.md
@@ -0,0 +1,2 @@
+lgtm,codescanning
+* Modeling of file system access has been improved to recognize `io.open` and `builtins.open`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+lgtm,codescanning`
	`2`	+* Modeling of file system access has been improved to recognize `io.open` and `builtins.open`.