Run rubocop with ruby 3.2.1 (#853)

Author: PanosCodes

.github/workflows/rubocop.yml

@@ -10,10 +10,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Ruby 2.7
+      - name: Set up Ruby 3.2.1
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.2.1
           bundler-cache: true
 
       - name: Run rubocop