update Dart cli_windows example

examples/dart/cli_windows/pubspec.yaml

@@ -1,42 +1,21 @@
 name: cli_windows
 description: A sample command-line application with basic argument parsing.
 version: 0.0.1
-# repository: https://github.com/my_org/my_repo
 
 environment:
   sdk: ^3.6.0-326.0.dev
 
-# Add regular dependencies here.
 dependencies:
   args: ^2.5.0
   thermion_dart:
     path: ../../../thermion_dart
   ffi: ^2.1.3
   vector_math: ^2.1.4
-  native_toolchain_c: ^0.4.2
-  native_assets_cli: ^0.6.1
+  native_toolchain_c: ^0.9.0
+  native_assets_cli: ^0.12.0
 
 dev_dependencies:
   lints: ^5.0.0
   test: ^1.24.0
-  ffigen: ^13.0.0
-ffigen:
-  output: 'lib/thermion_window.g.dart'
-  headers:
-    entry-points:
-      - 'native/thermion_window.h'
-    include-directives:
-      - 'native/thermion_window.h'
-  ffi-native:
-    assetId: package:cli_windows/thermion_window.dart
-  ignore-source-errors: true
-  llvm-path: 
-  - E:\clang+llvm-19.1.3-x86_64-pc-windows-msvc\bin
-  - E:\clang+llvm-19.1.3-x86_64-pc-windows-msvc\
-  - E:\clang+llvm-19.1.3-x86_64-pc-windows-msvc\lib
-  functions:
-    leaf:
-      include:
-        - '.*'