feat: add flatpak-node-generator to regenerate flatpak-node sources

Author: besoeasy

.github/workflows/release.yml

@@ -47,6 +47,10 @@ jobs:
           flatpak install --user -y flathub org.gnome.Platform//50 org.gnome.Sdk//50 org.freedesktop.Sdk.Extension.node22//25.08
       - run: npm ci
       - run: npm run icons
+      - name: Regenerate flatpak-node sources
+        run: |
+          pipx install flatpak-node-generator
+          flatpak-node-generator npm package-lock.json -o flatpak/generated-sources.json
       - run: flatpak-builder --force-clean --repo=repo build-dir flatpak/com.besoeasy.gupt.dev.yaml
       - run: flatpak build-bundle repo "${{ needs.prepare-release.outputs.flatpak_bundle }}" com.besoeasy.gupt --runtime-repo=https://flathub.org/repo/flathub.flatpakrepo
       - uses: softprops/action-gh-release@v2