fix(ci): change flutter action

.forgejo/workflows/deploy.yml

@@ -7,12 +7,10 @@ jobs:
     steps:
       - run: apt update && apt install sshpass
       - uses: actions/checkout@v4
-      - name: Setup Flutter SDK
-        run: |
-          export SETUP_FLUTTER_BRANCH=main
-          export FLUTTER_VERSION=3.35.1
-          git config --global --add safe.directory /workspace/UEAuvergne/Seshat/.setup-flutter/tool_cache/flutter/${FLUTTER_VERSION}/stable/flutter
-          curl -fsSL https://raw.githubusercontent.com/flutter-actions/setup-flutter/${SETUP_FLUTTER_BRANCH}/install.sh | bash -s -- ${FLUTTER_VERSION} ${FLUTTER_CHANNEL}
-
+      - name: Set up Flutter
+        uses: https://github.com/subosito/flutter-action@v2
+        with:
+          channel: stable
+          flutter-version: 3.35.1 
       - run: flutter build web --release --wasm --base-href /app/
       - run: sshpass -p "${{ secrets.DEPLOY_PASSWORD }}" scp -o StrictHostKeyChecking=accept-new -rp build/web ${{ secrets.DEPLOY_USERNAME }}@${{ secrets.DEPLOY_ADDRESS }}:${{ secrets.DEPLOY_PATH }}