fix ruby versions

Author: tycooon

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.1", "3.2"]
+        ruby: ["3.0", "3.1", "3.2", "3.3"]
 
     name: ${{ matrix.ruby }}