ci.yml in pg_objects-1.2.0

- old
+ new

@@ -6,10 +6,10 @@
 jobs:
   lint-and-test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.0', '3.1', '3.2']
+        ruby-version: ['3.1', '3.2', '3.3']
     steps:
       - name: Checkout
         uses: actions/checkout@v2
 
       - name: Setup Ruby