rubocop.yml in yao-0.16.0

- old
+ new

@@ -6,12 +6,12 @@
   build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
     - name: Set up Ruby
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.0
+        ruby-version: 3.1
     - name: Install dependencies
       run: |
         gem install bundler --no-document
         bundle install
     - name: Run rubocop