let's try that

.github/workflows/pages.yml

@@ -36,26 +36,37 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.3' # 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
-          working-directory: '${{ github.workspace }}/docs'
+
+      - name: Configure Bundler
+        run: |
+          bundle config --local path vendor/bundle
+          bundle config --local deployment true
+          bundle lock --add-platform x86_64-linux
+
+      - name: Install dependencies
+        run: bundle install --jobs 4
+
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5
+
       - name: Build with Jekyll
         # Outputs to the './_site' directory by default
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           JEKYLL_ENV: production
+
       - name: Upload artifact
         # Automatically uploads an artifact from the './_site' directory by default
         uses: actions/upload-pages-artifact@v3
         with:
-          path: "docs/_site/"
+          path: "_site/"
 
   # Deployment job
   deploy: