Add a key

.github/workflows/jekyll.yml

@@ -47,6 +47,7 @@ jobs:
         uses: actions/cache/restore@v4
         with:
           path: ./_site/assets/img
+          key: images
       - name: Build with Jekyll
         # Outputs to the './_site' directory by default
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"