updated CHANGELOG for the cte release (Azure#29940)

Author: AikoBB

sdk/communication/Azure.Communication.Identity/CHANGELOG.md

@@ -1,21 +1,15 @@
 # Release History
 
-## 1.1.0 (Unreleased)
+## 1.1.0 (2022-07-19)
 
 ### Features Added
-- Added support to build a custom Teams endpoint using Microsoft 365 Teams identities:
+- Added support to integrate communication as Teams user with Azure Communication Services:
     - Added `GetTokenForTeamsUser(GetTokenForTeamsUserOptions options, CancellationToken cancellationToken = default)` method that provides the ability to exchange an Azure AD access token of a Teams user for a Communication Identity access token to `CommunicationIdentityClient`.
 - Removed `ServiceVersion.V2021_10_31_preview`
 - Added a new API version `ServiceVersion.V2022_06_01` that is now the default API version
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.1.0-beta.1 (2021-10-29)
-- Updated version of Identity API to enable to build custom Teams endpoint using M365 Teams identities
+- Updated version of Identity API to enable to to integrate communication as Teams user with Azure Communication Services
 
 ## 1.0.1 (2021-05-25)
 - Dependency versions updated.