Update pubspec.yaml

Author: xdd666t

pubspec.yaml

@@ -3,7 +3,7 @@ description:
   An elegant Flutter Dialog solution,
   Easily implement Toast, Loading and custom Dialog,
   Make the use of the dialog easier!
-version: 3.4.2+2
+version: 3.4.5
 homepage: https://github.com/fluttercandies/flutter_smart_dialog
 #flutter pub publish --server=https://pub.dartlang.org