Add VS Code credential to README table (#42737)

Author: scottaddie

sdk/identity/azure-identity/README.md

@@ -279,6 +279,7 @@ Not all credentials require this configuration. Credentials that authenticate th
 |[`AzureCliCredential`][cli_cred_ref]| Authenticates in a development environment with the Azure CLI. | [Azure CLI authentication](https://learn.microsoft.com/cli/azure/authenticate-azure-cli)
 |[`AzureDeveloperCliCredential`][azd_cli_cred_ref]| Authenticates in a development environment with the Azure Developer CLI. | [Azure Developer CLI Reference](https://learn.microsoft.com/azure/developer/azure-developer-cli/reference)
 |[`AzurePowerShellCredential`][powershell_cred_ref]| Authenticates in a development environment with the Azure PowerShell. | [Azure PowerShell authentication](https://learn.microsoft.com/powershell/azure/authenticate-azureps)
+|[`VisualStudioCodeCredential`][vsc_cred_ref]| Authenticates in a development environment with Visual Studio Code. |
 
 ## Environment variables
 
@@ -404,4 +405,5 @@ This project has adopted the [Microsoft Open Source Code of Conduct](https://ope
 [token_cred_ref]: https://learn.microsoft.com/python/api/azure-core/azure.core.credentials.tokencredential?view=azure-python
 [supports_token_info_ref]: https://learn.microsoft.com/python/api/azure-core/azure.core.credentials.supportstokeninfo?view=azure-python
 [troubleshooting_guide]: https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/identity/azure-identity/TROUBLESHOOTING.md
+[vsc_cred_ref]: https://aka.ms/azsdk/python/identity/vscodecredential
 [workload_id_cred_ref]: https://aka.ms/azsdk/python/identity/workloadidentitycredential