feat(dart_frog_dev_server): upgrade to dart_frog_gen ^0.3.0

Author: felangel

bricks/dart_frog_dev_server/__brick__/server.dart

@@ -5,8 +5,8 @@ environment:
   sdk: ">=2.18.0 <3.0.0"
 
 dependencies:
-  dart_frog_gen: ^0.2.0
-  mason: ^0.1.0-dev.31
+  dart_frog_gen: ^0.3.0
+  mason: ^0.1.0-dev.34
   pubspec_parse: ^1.2.0
 
 dev_dependencies:

bricks/dart_frog_dev_server/hooks/pubspec.yaml

@@ -145,7 +145,7 @@ void main() {
           RouteDirectory(
             name: '_',
             route: '/',
-            middleware: null,
+            middleware: [],
             files: [
               RouteFile(
                 name: 'index',
@@ -214,7 +214,7 @@ void main() {
             {
               'name': '_',
               'route': '/',
-              'middleware': false,
+              'middleware': <Map<String, dynamic>>[],
               'files': [
                 {
                   'name': 'index',