fix: update Rouge gem to ensure proper syntax highlighting

Author: koriym

.github/workflows/jekyll.yml

@@ -41,6 +41,11 @@ jobs:
         run: |
           ruby bin/merge_md_files.rb
 
+      - name: Force Rouge update
+        run: |
+          bundle update rouge
+          bundle list rouge
+
       - name: Build with Jekyll
         # Outputs to the './_site' directory by default
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"