rubocop.yml in review-5.9.0

- old
+ new

@@ -11,10 +11,10 @@
 
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['2.7', '3.0', '3.1', '3.2']
+        ruby: ['3.0', '3.1', '3.2', '3.3']
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1