update workflow

Author: maciejkocylapc

.github/workflows/test_suite.yml

@@ -4,11 +4,11 @@ on: [push]
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ['3.0', '2.7', '2.6']
+        ruby-version: ['3.1.4', '3.2']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Ruby ${{ matrix.ruby-version }}