Tweak message about debugging with web-server (#61535)

packages/flutter_tools/lib/src/web/web_device.dart

@@ -451,8 +451,8 @@ class WebServerDevice extends Device {
       _logger.printStatus('$mainPath is being served at $url', emphasis: true);
     }
     _logger.printStatus(
-      'The web-server device does not support debugging. Consider using '
-      'the Chrome or Edge devices for an improved development workflow.'
+      'The web-server device requires the Dart Debug Chrome extension for debugging. '
+      'Consider using the Chrome or Edge devices for an improved development workflow.'
     );
     _logger.sendEvent('app.webLaunchUrl', <String, dynamic>{'url': url, 'launched': false});
     return LaunchResult.succeeded(observatoryUri: url != null ? Uri.parse(url): null);