Update CHANGELOG.md (#33610)

* Update CHANGELOG.md

* Update CHANGELOG.md

Author: mrm9084

sdk/appconfiguration/azure-appconfiguration-provider/CHANGELOG.md

@@ -1,20 +1,20 @@
 # Release History
 
-## 1.1.0b3 (Unreleased)
+## 1.1.0b3 (2023-12-18)
 
 ### Features Added
 
 - Added on_refresh_success callback to load method. This callback is called when the refresh method successfully refreshes the configuration.
 - Added minimum up time. This is the minimum amount of time the provider will try to be up before throwing an error. This is to prevent quick restart loops.
 
-### Breaking Changes
-
 ### Bugs Fixed
 
 - Fixes issue where the refresh timer only reset after a change was found.
 
 ### Other Changes
 
+- Renamed the type `SentinelKey` to be `WatchKey`.
+
 ## 1.1.0b2 (2023-09-29)
 
 ### Features Added