build: update form builder dependency

Author: deandreamatias

example/pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.0.0-dev.1
+  flutter_form_builder: ^9.0.0-dev.2
   flutter_localizations:
     sdk: flutter
   form_builder_phone_field:

pubspec.yaml

@@ -14,7 +14,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.0.0-dev.1
+  flutter_form_builder: ^9.0.0-dev.2
   phone_number: ^2.0.0-dev.1
   country_pickers: ^2.0.0