Merge pull request #208615 from janicericketts/patch-43

Freshness: Update service-accounts-principal.md

Author: prmerger-automator[bot]

articles/active-directory/fundamentals/service-accounts-principal.md

@@ -8,7 +8,7 @@ ms.service: active-directory
 ms.workload: identity
 ms.subservice: fundamentals
 ms.topic: conceptual
-ms.date: 2/15/2021
+ms.date: 08/20/2022
 ms.author: jricketts
 ms.reviewer: ajburnle
 ms.custom: "it-pro, seodec18"