Update CI flow

Author: jansroka

.github/workflows/jekyll.yml

@@ -35,12 +35,11 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Ruby
-        # https://github.com/ruby/setup-ruby/releases/tag/v1.207.0
-        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4
+        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
+          cache-version: 1 # Increment this number if you need to re-download cached gems
 
       - name: Setup Pages
         id: pages