try fixing ci

Author: dangfan

.github/workflows/publish.yaml

@@ -16,6 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: dart-lang/setup-dart@v1
       - name: Setup Flutter SDK
         uses: flutter-actions/setup-flutter@v3
         with: