Use latest language version for formatter

Author: 7h30n3

lib/build/geo_feature_builder.dart

@@ -6,7 +6,6 @@ import 'package:code_builder/code_builder.dart';
 import 'package:dart_style/dart_style.dart';
 import 'package:recase/recase.dart';
 import 'package:flatbush_dart/flatbush_dart.dart';
-import 'package:pub_semver/pub_semver.dart';
 
 import 'latlng_bounds.dart';
 
@@ -41,7 +40,7 @@ class GeoFeatureBuilder implements Builder{
         ..body.add(buildGeoFeatureClass(propertiesToExtract))
         ..body.add(buildGeoCoderClass(geoJSONData, propertiesToExtract))
       );
-      final code = DartFormatter(languageVersion: Version(3, 8, 0)).format(library.accept(
+      final code = DartFormatter(languageVersion: DartFormatter.latestLanguageVersion).format(library.accept(
         DartEmitter(allocator: Allocator()),
       ).toString());
 

pubspec.yaml

@@ -13,7 +13,6 @@ dependencies:
   code_builder: ^4.7.0
   dart_style: ^3.1.1
   recase: ^4.1.0
-  pub_semver: ^2.2.0
 
 dev_dependencies:
   lints: ^6.0.0