Refresh MGMT AppConfiguration (Azure#26181)

* Update changelog

* Update CHANGELOG.md

Author: HarveyLink

sdk/appconfiguration/Azure.ResourceManager.AppConfiguration/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 1.0.0-beta.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 1.0.0-beta.2 (2022-01-06)
 
 ### Other Changes
 
+    - Refresh reference
+
 ## 1.0.0-beta.1 (2021-12-01)
 
 ### General New Features