Update CHANGELOG.md

Author: atscott

CHANGELOG.md

@@ -1,12 +1,12 @@
-# v12.1.1
+# v12.1.3
 
 This release upgrades `@angular/language-service` to v12.1.3.
 For a complete change log see
 [here](https://github.com/angular/angular/blob/master/CHANGELOG.md#1213-2021-07-21).
 
 1. fix(server): Only provide InsertReplaceEdit when the client supports it (#1452) (7c22c4c3a)
 
-# v12.1.1
+# v12.1.2
 
 This release upgrades `@angular/language-service` to v12.1.2.
 For a complete change log see [here](https://github.com/angular/angular/blob/master/CHANGELOG.md#1212-2021-07-14).