Update dart_style to 3.0.0

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to the "flutter-intl" extension will be documented in this f
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 2.8.9 - Unreleased
+
+- Update `dart_style` dependency to support `v3.x.x`
+
 ## 2.8.8 - 2025-01-08
 
 - Update `intl` dependency

lib/src/utils/utils.dart

@@ -45,7 +45,7 @@ String formatJsonMessage(String jsonMessage) {
 /// Formats Dart file content.
 String formatDartContent(String content, String fileName) {
   try {
-    var formatter = DartFormatter();
+    var formatter = DartFormatter(languageVersion: DartFormatter.latestLanguageVersion);
     return formatter.format(content);
   } catch (e) {
     info('Failed to format \'$fileName\' file.');

pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   analyzer: ^6.0.0
   archive: ">=3.0.0 <5.0.0"
   args: ^2.0.0
-  dart_style: ^2.0.0
+  dart_style: ^3.0.0
   http: ">=0.13.0 <2.0.0"
   intl: ">=0.17.0 <0.21.0"
   path: ^1.8.0