Merge pull request #43 from olleolleolle/patch-2

ci: add missing Bundler invocation

Author: kenn

.github/workflows/ci.yml

@@ -36,8 +36,9 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true # bundle install and cache gems
       - name: Run tests
         run: bundle exec rake
         env:
           REDIS_HOST: localhost
-          REDIS_PORT: 6379
+          REDIS_PORT: 6379