chore: update GitHub Action pub publish script (#80)

Author: tomarra

.github/workflows/pub_publish.yaml

@@ -8,14 +8,18 @@ on:
 jobs:
   publish:
     permissions:
-      id-token: write # This is required for requesting the JWT
+      id-token: write # Required for authentication using OIDC
     runs-on: ubuntu-latest
     steps:
       - name: 📚 Git Checkout
         uses: actions/checkout@v4
+      - name: 🎯 Setup Dart
+        uses: dart-lang/setup-dart@v1
       - name: 🐦 Setup Flutter
         uses: subosito/flutter-action@v2
       - name: 📦 Install Dependencies
         run: flutter pub get
+      - name: 🌵 Dry Run
+        run: dart pub publish --dry-run
       - name: 📢 Publish
-        run: dart pub publish --force
+        run: dart pub publish --force