[Communication] Update changelogs for release (Azure#14193)

* update changelogs for release

* address PR comments

* bump chat version to beta.6

* Revert "bump chat version to beta.6"

This reverts commit 438c3d3.

Author: beltr0n

sdk/communication/communication-chat/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.0.0-beta.5 (Unreleased)
+## 1.0.0-beta.5 (2021-03-09)
 
 ### Breaking Changes
 

sdk/communication/communication-common/CHANGELOG.md

@@ -1,6 +1,8 @@
 # Release History
 
-## 1.0.0-beta.6 (Unreleased)
+## 1.0.0-beta.6 (2021-03-09)
+
+Updated `@azure/communication-common` version.
 
 ## 1.0.0-beta.5 (2021-02-09)
 
@@ -39,7 +41,7 @@ Updated `@azure/communication-common` version.
 
 ## 1.0.0-beta.2 (2020-10-06)
 
-Updated `@azure/communication-common` version
+Updated `@azure/communication-common` version.
 
 ## 1.0.0-beta.1 (2020-09-22)
 

sdk/communication/communication-identity/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.0.0-beta.5 (Unreleased)
+## 1.0.0-beta.5 (2021-03-09)
 
 ### Breaking Changes
 

sdk/communication/communication-phone-numbers/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.0.0-beta.4 (Unreleased)
+## 1.0.0-beta.4 (2021-03-09)
 
 The Azure Communication Phone Numbers Client library contains code which facilitates phone number management.
 

sdk/communication/communication-sms/CHANGELOG.md

@@ -1,10 +1,13 @@
 # Release History
 
-## 1.0.0-beta.4 (Unreleased)
+## 1.0.0-beta.4 (2020-03-09)
 
 ### Added
 
 - `SmsClient` added a constructor that supports `TokenCredential`.
+- Added support for 1:N SMS messaging.
+- Added support for tagging SMS messages.
+- `send` method in `SmsClient` is idempotent under retry policy.
 
 ### Breaking Changes