metadata and review concept-ml-pipelines.md

Author: lgayhardt

articles/machine-learning/concept-ml-pipelines.md

@@ -9,7 +9,7 @@ ms.topic: conceptual
 ms.author: lagayhar
 author: lgayhardt
 ms.reviewer: lagayhar
-ms.date: 01/31/2024
+ms.date: 09/13/2024
 monikerRange: 'azureml-api-2 || azureml-api-1'
 ---