chore: 빌드 설정 수정

Author: HyunJinNo

.github/workflows/jekyll.yml

@@ -35,7 +35,7 @@ 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: "3.1" # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically