Add 3.3

Author: mdp

.github/workflows/test.yaml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby-version: ['3.2', '3.0', '2.7', '2.3', truffleruby-head]
+        
 
     steps:
       - uses: actions/checkout@v4