ci.yml in resque-heroku-signals-2.4.0

- old
+ new

@@ -8,17 +8,17 @@
         image: redis
         ports:
           - 6379:6379
     strategy:
       matrix:
-        ruby-version: ['3.0', 2.7, 2.6, 2.5, 2.4]
+        ruby-version: ['3.0', '2.7']
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
       - name: Install dependencies
         run: bundle install
       - name: Run tests
-        run: bundle exec rake
\ No newline at end of file
+        run: bundle exec rake