.github/workflows/ruby.yml in schemacop-3.0.16 vs .github/workflows/ruby.yml in schemacop-3.0.17

@@ -10,10 +10,10 @@
   test:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ['2.6.2', '2.7.1', '3.0.1']
+        ruby-version: ['2.6.2', '2.7.1', '3.0.1', '3.1.0']
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1