update release date (#39659)

Author: xiangyan99

sdk/identity/azure-identity/CHANGELOG.md

@@ -1,13 +1,11 @@
 # Release History
 
-## 1.19.1 (Unreleased)
+## 1.20.0 (2025-02-11)
 
 ### Features Added
 
 - Added `subscription` parameter to `AzureCliCredential` to specify the subscription to use when authenticating with the Azure CLI. ([#37994](https://github.com/Azure/azure-sdk-for-python/pull/37994))
 
-### Breaking Changes
-
 ### Bugs Fixed
 
 - A bug in the error handling for AzureCliCredentials and AzureDeveloperCliCredential which would result in the unexpected error `'NoneType' object has no attribute 'startswith'` has been fixed ([#39176](https://github.com/Azure/azure-sdk-for-python/pull/39176))

sdk/identity/azure-identity/azure/identity/_version.py

@@ -2,4 +2,4 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 # ------------------------------------
-VERSION = "1.19.1"
+VERSION = "1.20.0"