build: update flutter minimal version

Author: deandreamatias

example/pubspec.yaml

@@ -4,13 +4,13 @@ version: 1.0.0+1
 publish_to: 'none'
 
 environment:
-  sdk: '>=3.4.0 <4.0.0'
-  flutter: '>=3.22.0'
+  sdk: '>=3.6.0 <4.0.0'
+  flutter: '>=3.27.0'
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.3.0
+  flutter_form_builder: ^9.6.0
   form_builder_file_picker:
       path: ../
 

pubspec.yaml

@@ -11,15 +11,15 @@ funding:
   - https://opencollective.com/flutter-form-builder-ecosystem
 
 environment:
-  sdk: '>=3.4.0 <4.0.0'
-  flutter: '>=3.22.0'
+  sdk: '>=3.6.0 <4.0.0'
+  flutter: '>=3.27.0'
 
 dependencies:
   community_material_icon: ^5.9.55
-  file_picker: ^8.0.7
+  file_picker: ^8.1.6
   flutter:
     sdk: flutter
-  flutter_form_builder: ^9.3.0
+  flutter_form_builder: ^9.6.0
 
 platforms:
   android: