Update Alpine Linux build workflow container

- Switch container from alpine:latest to python:3-alpine
- Remove Node.js setup step
- Simplify workflow configuration

.github/workflows/build-alpine.yml

@@ -14,12 +14,9 @@ env:
 jobs:
   build-alpine:
     runs-on: ubuntu-latest
-    container: alpine:latest
+    container: python:3-alpine
 
     steps:
-      - name: Setup Node.js
-        uses: actions/setup-node@v3
-
       - name: Checkout repository
         uses: actions/checkout@v3
         with: