.github/workflows/main.yml in datacite-0.3.0 vs .github/workflows/main.yml in datacite-0.4.0

@@ -4,13 +4,13 @@
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7.2
+        ruby-version: 3.0
         bundler-cache: true
     - name: Run the default task
       run: bundle exec rake