update CHANGELOG.md

Author: kaibocai

CHANGELOG.md

@@ -1,7 +1,12 @@
+## v1.1.1
+
+### Updates
+* Fix exception occurring when invoking the `TaskOrchestrationContext#continueAsNew` method ([#118](https://github.com/microsoft/durabletask-java/issues/118))
+
 ## v1.1.0
 
 ### Updates
-* Fix the potential NPE issue of `DurableTaskClient terminate` method ([#104](https://github.com/microsoft/durabletask-java/issues/104))
+* Fix the potential NPE issue of `DurableTaskClient#terminate` method ([#104](https://github.com/microsoft/durabletask-java/issues/104))
 * Add waitForCompletionOrCreateCheckStatusResponse client API ([#115](https://github.com/microsoft/durabletask-java/pull/115))
 * Support long timers by breaking up into smaller timers ([#114](https://github.com/microsoft/durabletask-java/issues/114))