Release deviceupdate beta3 package (Azure#29913)

* Update CHANGELOG.md

* Update CHANGELOG.md

Co-authored-by: Weidong Xu <weidxu@microsoft.com>

Author: dpokluda

sdk/deviceupdate/azure-iot-deviceupdate/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.0.0-beta.3 (Unreleased)
+## 1.0.0-beta.3 (2022-07-12)
 
 ### Features Added
 
@@ -18,10 +18,13 @@
 - Added `DeviceManagementClientBuilder` to create `DeviceManagementClient` instance via `DeviceManagementClientBuilder.buildClient()`.
 - Modified `DeviceUpdateClientBuilder` to create `DeviceUpdateClient` instance via `DeviceUpdateClientBuilder.buildClient()`.
 
-### Bugs Fixed
-
 ### Other Changes
 
+#### Dependency Updates
+
+- Upgraded `azure-core` from `1.29.1` to version `1.30.0`.
+- Upgraded `azure-core-http-netty` from `1.12.2` to version `1.12.3`.
+
 ## 1.0.0-beta.2 (2022-01-19)
 
 ### Breaking Changes