Fix event name for the shutdown event in hosting. (#42414)

Author: adityamandaleeka

src/Hosting/Hosting/src/Internal/WebHost.cs

@@ -371,7 +371,7 @@ private static partial class Log
         [LoggerMessage(4, LogLevel.Debug, "Hosting started", EventName = "Started")]
         public static partial void Started(ILogger logger);
 
-        [LoggerMessage(5, LogLevel.Debug, "Hosting shutdown", EventName = "Started")]
+        [LoggerMessage(5, LogLevel.Debug, "Hosting shutdown", EventName = "Shutdown")]
         public static partial void Shutdown(ILogger logger);
 
         [LoggerMessage(12, LogLevel.Debug, "Server shutdown exception", EventName = "ServerShutdownException")]