.github/workflows/test.yml in flexmock-2.4.2 vs .github/workflows/test.yml in flexmock-3.0.0

@@ -6,10 +6,14 @@
   test:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby-version: ["2.7", "2.6", "2.5"]
+        ruby-version:
+          - "3.2"
+          - "3.1"
+          - "3.0"
+          - "2.7"
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby ${{ matrix.ruby-version }}
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,