fix: ruby versions

Author: celinefb

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        ruby-version: ['2.6', '2.7', '3.0']
+        ruby-version: ['2.7', '3.0', '3.1', '3.2', '3.3']
 
     steps:
     - uses: actions/checkout@v4