fix(ci): use flutter build command instead of script

.forgejo/workflows/deploy.yml

@@ -13,7 +13,6 @@ jobs:
           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} ${FLUTTER_CHANNEL}
-          export FLUTTER_RUNNER_TOOL_CACHE="${RUNNER_TOOL_CACHE}/flutter/${FLUTTER_VERSION}/${FLUTTER_CHANNEL}"
-          export PATH=$PATH:${FLUTTER_RUNNER_TOOL_CACHE}/flutter/bin
-      - run: ./scripts/build-web.sh
+
+      - 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 }}