Use the latest 2.x

Author: alexandrnikitin

.github/workflows/build_and_test.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.2'
+          ruby-version: '2.7.8'
           bundler-cache: true
 
       - name: Build all targets