expand matrix

Author: searls

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        ruby-version: ['3.0', '3.1', '3.2']
+        ruby-version: ['3.0', '3.1', '3.2', '3.3', '3.4']
 
     runs-on: ${{ matrix.os }}