Make HTML5 build headless

Author: GuilhermeGSousa

.github/workflows/publish.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Web Build
         run: |
           mkdir -v -p build/web
-          godot -v --export-release "html5"
+          godot -v --export-release "html5" --headless
     #   - uses: KikimoraGames/[email protected]
     #     with:
     #       butlerApiKey: ${{secrets.BUTLER_API_KEY}}