Fix summary comment (#23702)

It seems like this should say "locked out", rather than "logged out".

src/Identity/Extensions.Core/src/SignInResult.cs

@@ -52,7 +52,7 @@ namespace Microsoft.AspNetCore.Identity
 
         /// <summary>
         /// Returns a <see cref="SignInResult"/> that represents a sign-in attempt that failed because 
-        /// the user was logged out.
+        /// the user was locked out.
         /// </summary>
         /// <returns>A <see cref="SignInResult"/> that represents sign-in attempt that failed due to the
         /// user being locked out.</returns>
@@ -86,4 +86,4 @@ namespace Microsoft.AspNetCore.Identity
 			       Succeeded ? "Succeeded" : "Failed";
         }
     }
-}
+}