updated CHANGELOG

Author: psilospore

CHANGELOG.md

@@ -74,7 +74,8 @@ None
   matcher ([#4917](https://github.com/facebook/jest/pull/4917))
 
 ### Features
-
+* `[jest-cli]` --notify is now configurable. `onFailure` or `onSuccess` are now valid options.
+  ([#5125](https://github.com/facebook/jest/pull/5125))
 * `[jest-message-util]` Add codeframe to test assertion failures
   ([#5087](https://github.com/facebook/jest/pull/5087))
 * `[jest-config]` Add Global Setup/Teardown options