Update ruby/setup-ruby action to v1.271.0

Author: renovate[bot]

.github/workflows/jekyll.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.268.0
+        uses: ruby/setup-ruby@v1.271.0
         with:
           ruby-version: '3.2.2' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically