Install Node.js in Windows build container

.gitea/workflows/build.yaml

@@ -35,6 +35,11 @@ jobs:
     runs-on: ubuntu-latest
     container: tobix/pywine:3.11
     steps:
+      - name: Install Node.js
+        run: |
+          apt-get update
+          apt-get install -y nodejs
+
       - name: Check out repository code
         uses: actions/checkout@v3