python release notes for the 2023-03 release (#5699)

_data/releases/2023-03/python.yml

@@ -481,4 +481,12 @@ entries:
 
     #### Bugs Fixed
     - Bug fix to address queries with VALUE MAX (or any other aggregate) that run into an issue if the query is executed on a container with at least one "empty" partition.
+- Name: azure-purview-workflow
+  Version: 1.0.0b1
+  DisplayName: Purview Workflow
+  ServiceName: Purview Workflow
+  VersionType: Beta
+  Hidden: false
+  ChangelogUrl: https://github.com/Azure/azure-sdk-for-python/tree/azure-purview-workflow_1.0.0b1/sdk/purview/azure-purview-workflow/CHANGELOG.md
+  ChangelogContent: '- Initial release of the Purview Workflow client library for Python'