Revert "Update ruby.yml (#355)"

This reverts commit 321947e.

Author: muzahidul-opti

.github/workflows/ruby.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '3.0.0' ]
+        ruby: [ '3.0.0', '3.1.0', '3.2.0', '3.3.0' ]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby ${{ matrix.ruby }}