Prepare deviceupdate for release (Azure#30851)

* Prepare deviceupdate for release

* update

Co-authored-by: Yao Kou <[email protected]>

Author: Sedols

sdk/deviceupdate/Azure.ResourceManager.DeviceUpdate/CHANGELOG.md

@@ -1,10 +1,11 @@
 # Release History
 
-## 1.0.0-beta.7 (Unreleased)
+## 1.0.0-beta.7 (2022-08-31)
 
 ### Other Changes
 
-- Updating api-version to 2022-10-01.
+- Upgraded api-version to 2022-10-01.
+- Upgraded dependent `Azure.ResourceManager` to 1.3.0
 
 ## 1.0.0-beta.6 (2022-07-12)