update: github workflows

Author: LinXunFeng

.github/workflows/deploy.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2
         with:
-          flutter-version: '3.16.9'
+          # flutter-version: '3.16.9'
           channel: 'stable'
       - name: Flutter build web
         working-directory: ./example