[Identity] Prepare release April (#33873)

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### Checklists
- [ ] Added impacted package name to the issue description
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- [ ] Added a changelog (if necessary)

Author: minhanh-phan

sdk/identity/identity/CHANGELOG.md

@@ -1,19 +1,15 @@
 # Release History
 
-## 4.8.1 (Unreleased)
+## 4.9.0 (2025-04-16)
 
 ### Features Added
 
 - Add `workerd` conditional exports support for Cloudflare environment. [#32422](https://github.com/Azure/azure-sdk-for-js/pull/32422)
 
-### Breaking Changes
-
-### Bugs Fixed
-
 ### Other Changes
 
-- Marked `VisualStudioCodeCredential`, `VisualStudioCodeCredentialOptions` and `VSCodeCredentialFinder` as deprecated.
-- Upgraded version of `@azure/msal-node` to v3.5.0 that has [a bug fix](https://github.com/AzureAD/microsoft-authentication-library-for-js/pull/7631) for Azure Machine Learning Managed Identity.
+- Marked `VisualStudioCodeCredential`, `VisualStudioCodeCredentialOptions` and `VSCodeCredentialFinder` as deprecated. [#33413](https://github.com/Azure/azure-sdk-for-js/pull/33413)
+- Upgraded version of `@azure/msal-node` to v3.5.0 that has [a bug fix](https://github.com/AzureAD/microsoft-authentication-library-for-js/pull/7631) for Azure Machine Learning Managed Identity. [#33792](https://github.com/Azure/azure-sdk-for-js/pull/33792)
 
 ## 4.8.0 (2025-03-11)
 

sdk/identity/identity/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@azure/identity",
   "sdk-type": "client",
-  "version": "4.8.1",
+  "version": "4.9.0",
   "description": "Provides credential implementations for Azure SDK libraries that can authenticate with Microsoft Entra ID",
   "main": "./dist/commonjs/index.js",
   "module": "./dist/esm/index.js",

sdk/identity/identity/src/constants.ts

@@ -4,7 +4,7 @@
 /**
  * Current version of the `@azure/identity` package.
  */
-export const SDK_VERSION = `4.8.1`;
+export const SDK_VERSION = `4.9.0`;
 
 /**
  * The default client ID for authentication