Freshness review - SignalR Overivew (#34256)

This topic has been updated but the metadata ms.date was not.  Reviewed to make sure it is still good as-is for freshness.

Minor change:
Updated the metadata:
ms.date to current date.
author bradyg to wpickett.  Brady does not want to be on it.

Author: wadepickett

aspnetcore/signalr/introduction.md

@@ -1,11 +1,11 @@
 ---
 title: Overview of ASP.NET Core SignalR
-author: bradygaster
+author: wpickett
 description: Learn how the ASP.NET Core SignalR library simplifies adding real-time functionality to apps.
 monikerRange: '>= aspnetcore-2.1'
 ms.author: wpickett
 ms.custom: mvc
-ms.date: 03/07/2022
+ms.date: 12/02/2024
 uid: signalr/introduction
 ---
 # Overview of ASP.NET Core SignalR