Test with multiple ruby versions

Author: fbacall

.github/workflows/tests.yml

@@ -3,6 +3,9 @@ on: [push, pull_request]
 jobs:
   run-tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: ['2.6', '2.7', '3.0', '3.1']
     steps:
       - name: Checkout
         uses: actions/[email protected] # If you're using actions/checkout@v2 you must set persist-credentials to false in most cases for the deployment to work correctly.
@@ -11,6 +14,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
+          ruby-version: ${{ matrix.ruby }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - name: Run tests
         run: bundle exec rake test