[CLU] Prepare package for release (Azure#26853)

* Updated changelog

* Ran prepare-release

* Resolve PR feedback

Co-authored-by: Heath Stewart <heaths@outlook.com>

Author: AhmedLeithy

sdk/cognitivelanguage/Azure.AI.Language.Conversations/CHANGELOG.md

@@ -1,15 +1,25 @@
 # Release History
 
-## 1.0.0-beta.2 (Unreleased)
-
-### Features Added
+## 1.0.0-beta.2 (2022-02-08)
 
 ### Breaking Changes
 
+- `AnalyzeConversation` method now takes instance of `ConversationsProject` instead of `ProjectName` and `DeploymentName`.
+- Renamed the attribute `ConfidenceScore` to `Confidence` in the following classes:
+  - `AnswerSpan`
+  - `ConversationEntity`
+  - `ConversationIntent`
+  - `KnowledgeBaseAnswer`
+  - `TargetIntentResult`
+
 ### Bugs Fixed
 
+- Made following property public `TargetIntentResult.TargetKind` instead of internal.
+
 ### Other Changes
 
+- Added `ConversationsProject` class for holding `ProjectName` and `DeploymentName` attributes.
+
 ## 1.0.0-beta.1 (2021-11-03)
 
 - Initial release.