Add missing passwordless metadata to Python quickstart

Author: scottaddie

articles/cosmos-db/nosql/quickstart-python.md

@@ -8,7 +8,7 @@ ms.subservice: nosql
 ms.devlang: python
 ms.topic: quickstart
 ms.date: 1/17/2023
-ms.custom: seodec18, seo-javascript-september2019, seo-python-october2019, devx-track-python, mode-api, ignite-2022, devguide-python, cosmos-db-dev-journey
+ms.custom: seodec18, seo-javascript-september2019, seo-python-october2019, devx-track-python, mode-api, ignite-2022, devguide-python, cosmos-db-dev-journey, passwordless-python
 ---
 
 # Quickstart: Azure Cosmos DB for NoSQL client library for Python