Fix: Intégration du DatePicker français et mise à jour des dépendances SDK

pubspec.yaml

@@ -19,7 +19,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ^3.12.0-35.0.dev
+  sdk: '>=3.10.0 <4.0.0'
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
@@ -31,6 +31,8 @@ dependencies:
   flutter:
     sdk: flutter
 
+  flutter_localizations:
+    sdk: flutter
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
@@ -56,7 +58,7 @@ dependencies:
   uuid: ^4.3.3
 
   # Date formatting
-  intl: ^0.19.0
+  intl: ^0.20.2
 
   # Charts for history visualization
   fl_chart: ^0.66.2