smaller test, bundle cache

Author: markzegarelli

.github/workflows/check-links.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Ruby
         uses: actions/setup-ruby@v1
         with:
-          ruby-version: 2.7.7
+          ruby-version: 2.7.x
           bundler-cache: true
       # - name: Setup Rubygems, Bundler, jekyll
       #   run: |