refactor(dart_frog_prod): update to Dart 2.19 and Very Good Analysis 4.0.0 (#529)

Author: felangel

.github/workflows/dart_frog_prod_server.yaml

@@ -16,6 +16,7 @@ jobs:
   build:
     uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/dart_package.yml@v1
     with:
+      runs_on: macos-latest
       working_directory: bricks/dart_frog_prod_server/hooks
       analyze_directories: .
       report_on: "pre_gen.dart,post_gen.dart"

bricks/dart_frog_prod_server/hooks/analysis_options.yaml

@@ -1 +1 @@
-include: package:very_good_analysis/analysis_options.3.1.0.yaml
+include: package:very_good_analysis/analysis_options.4.0.0.yaml

bricks/dart_frog_prod_server/hooks/pubspec.yaml

@@ -2,7 +2,7 @@ name: dart_frog_prod_server_hooks
 publish_to: none
 
 environment:
-  sdk: ">=2.18.0 <3.0.0"
+  sdk: ">=2.19.0 <3.0.0"
 
 dependencies:
   dart_frog_gen: ^0.3.0
@@ -14,4 +14,4 @@ dependencies:
 dev_dependencies:
   mocktail: ^0.3.0
   test: ^1.19.2
-  very_good_analysis: ^3.1.0
+  very_good_analysis: ^4.0.0

bricks/dart_frog_prod_server/hooks/test/post_gen_test.dart

@@ -1,7 +1,7 @@
 import 'dart:io';
 
 import 'package:mason/mason.dart'
-    show HookContext, Logger, Progress, ExitCode, lightCyan;
+    show ExitCode, HookContext, Logger, Progress, lightCyan;
 import 'package:mocktail/mocktail.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart';