Add matrix strategy to CI workflow for testing with multiple Python v…

…ersions

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# This workflow will install Python dependencies, run tests, and lint with multiple versions of Python
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
 name: CI
@@ -11,19 +11,24 @@ on:
 
 jobs:
   test-full:
-    runs-on: [ubuntu-latest]
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["pypy3.9", "pypy3.10", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
-      - name:
+      - name: Checkout code
         uses: actions/checkout@v3
 
-      - name: Set up Python 3.10.12
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v3
         with:
-          python-version: "3.10.12"
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: python -m pip install ".[test]"
 
       - name: Test with pytest
         run: python -m pytest
+