.github/workflows/test.yml in rabbit_messaging-0.11.0 vs .github/workflows/test.yml in rabbit_messaging-0.12.0

@@ -11,11 +11,11 @@
 
     steps:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.0
+          ruby-version: "3.0"
           bundler-cache: true
       - name: Create log dir
         run: mkdir -p log
       - name: Run Linter
         run: bundle exec rubocop
@@ -35,10 +35,10 @@
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != 'umbrellio/rabbit_messaging'
 
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.5, 2.6, 2.7]
+        ruby: ["2.5", "2.6", "2.7"]
         experimental: [false]
         include:
           - ruby: head
             experimental: true