Bump ruby/setup-ruby from 1.204.0 to 1.215.0 (#162)

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Author: dependabot[bot]

.github/workflows/jekyll.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup Ruby
-        uses: ruby/setup-ruby@401c19e14f474b54450cd3905bb8b86e2c8509cf # v1.204.0
+        uses: ruby/setup-ruby@2654679fe7f7c29875c669398a8ec0791b8a64a1 # v1.215.0
         with:
           ruby-version: '3.1' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically