build: update dart constraints

Author: deandreamatias

example/pubspec.lock

@@ -66,10 +66,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_form_builder
-      sha256: "5fd1c4a511cf158775fd547394ca0a631d5e95af246e1044cbba0e2eb62c6dbb"
+      sha256: "712501bb93f1e74fe1713cfa4430876ddf4cc2485d967a00463b31bd22709550"
       url: "https://pub.dev"
     source: hosted
-    version: "9.0.0-dev.2"
+    version: "9.0.0-dev.3"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -208,5 +208,5 @@ packages:
     source: hosted
     version: "2.1.4"
 sdks:
-  dart: ">=3.0.0-417 <4.0.0"
+  dart: ">=3.0.0 <4.0.0"
   flutter: ">=3.10.0"

example/pubspec.yaml

@@ -5,14 +5,14 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.19.6 <3.0.0'
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ">=3.10.0"
 
 dependencies:
   flutter:
     sdk: flutter
   cupertino_icons: ^1.0.5
-  flutter_form_builder: ^9.0.0-dev.2
+  flutter_form_builder: ^9.0.0-dev.3
   form_builder_cupertino_fields:
     path: ../
 

pubspec.yaml

@@ -8,13 +8,13 @@ funding:
   - https://opencollective.com/flutter-form-builder-ecosystem
 
 environment:
-  sdk: '>=2.19.6 <3.0.0'
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ">=3.10.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.0.0-dev.2
+  flutter_form_builder: ^9.0.0-dev.3
   intl: ^0.18.0
 
 dev_dependencies: