Rule 20.12: Add a perf change note.

lcartey · lcartey · commit d9188c79dbeb · 2023-03-07T23:25:06.000Z
diff --git a/change_notes/2023-03-07-20-12-perf.md b/change_notes/2023-03-07-20-12-perf.md
@@ -0,0 +1 @@
+ * `Rule 20.12` - the performance of this rule has been improved.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+ * `Rule 20.12` - the performance of this rule has been improved.