vendor(deps): added new dependencies

checked_yaml,json_annotation for typesafe configs,
cli_util for logging

pubspec.yaml

@@ -6,7 +6,10 @@ homepage: https://github.com/fluttercommunity/flutter_launcher_icons
 
 dependencies:
   args: ^2.2.0
+  checked_yaml: ^2.0.1
+  cli_util: ^0.3.5
   image: ^3.0.2
+  json_annotation: ^4.5.0
   path: ^1.8.0
   yaml: ^3.1.0
 
@@ -19,4 +22,5 @@ dev_dependencies:
   # allows us to get version number from pubspec yaml which we can pass to Sentry
   # https://pub.dev/packages/build_version
   build_version: ^2.1.1
+  json_serializable: ^6.2.0
   test: ^1.21.1