Merge pull request #232469 from Blackmist/sdk-install-updates-2

forgot in earlier update

Author: prmerger-automator[bot]

articles/machine-learning/how-to-deploy-mlflow-models-online-endpoints.md

@@ -71,7 +71,7 @@ Additionally, you need to:
 - Install the Azure Machine Learning SDK for Python
 
     ```bash
-    pip install azure-ai-ml
+    pip install azure-ai-ml azure-identity
     ```
 
 # [Python (MLflow SDK)](#tab/mlflow)