ci.yml in table_sync-6.5.0

- old
+ new

@@ -28,10 +28,10 @@
       PGUSER: root
 
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2"]
+        ruby: ["3.0", "3.1", "3.2", "3.3"]
 
     name: ${{ matrix.ruby }}
 
     steps:
     - uses: actions/checkout@v2