prepare release for resources (Azure#29763)

Author: Yao725

sdk/resources/Azure.ResourceManager.Resources/CHANGELOG.md

@@ -1,15 +1,12 @@
 # Release History
 
-## 1.2.0-beta.1 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 1.2.0 (2022-07-11)
 
 ### Other Changes
 
+- Upgraded dependent `Azure.Core` to 1.25.0
+- Upgraded dependent `Azure.ResourceManager` to 1.2.0
+
 ## 1.1.0 (2022-06-08)
 
 ### Features Added

sdk/resources/Azure.ResourceManager.Resources/src/Azure.ResourceManager.Resources.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>1.2.0-beta.1</Version>
+    <Version>1.2.0</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
     <ApiCompatVersion>1.1.0</ApiCompatVersion>
     <PackageId>Azure.ResourceManager.Resources</PackageId>