ci: update github page worklow

.github/workflows/gh-pages.yml

@@ -21,17 +21,24 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.1' # Not needed with a .ruby-version file
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+          cache-version: 0 # Increment this number if you need to re-download cached gems
       - name: Setup Pages
+        id: pages
         uses: actions/configure-pages@v5
       - name: Build with Jekyll
-        uses: actions/jekyll-build-pages@v1
-        with:
-          source: ./docs
-          destination: ./docs/_site
+        env:
+          JEKYLL_ENV: production
+        working-directory: ./docs
+        run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: "/docs/_site"
+          path: "./docs/_site/"
 
   deploy:
     environment: