Code Quality: Await CheckAppUpdate to fix release notes tab

Author: yaira2

src/Files.App/Helpers/Application/AppLifecycleHelper.cs

@@ -119,12 +119,14 @@ await Task.WhenAll(
 					jumpListService.InitializeAsync(),
 					addItemService.InitializeAsync(),
 					ContextMenu.WarmUpQueryContextMenuAsync(),
-					CheckAppUpdate()
 				);
 			});
 
 			FileTagsHelper.UpdateTagsDb();
 
+			// Release notes tab doesn't open unless this is awaited
+			await CheckAppUpdate();
+
 			static Task OptionalTaskAsync(Task task, bool condition)
 			{
 				if (condition)