Update pubspec.yaml

Author: lcsvcn

pubspec.yaml

@@ -23,7 +23,7 @@ dependencies:
   emoji_picker_flutter: ^4.3.0
   flutter:
     sdk: flutter
-  intl: ^0.20.2
+  intl: ^0.19.0
   url_launcher: ^6.3.1
   emoji_picker_flutter: ^4.3.0
   any_link_preview: ^3.0.3