Add CI for PyPy3.9 and PyPy3.10 (#316)

* Use latest PyPy versions
* Use setup-python@v5

.github/workflows/ci.yml

@@ -14,6 +14,8 @@ jobs:
             {python-version: "3.11", toxenv: "py311"},
             {python-version: "3.12", toxenv: "py312"},
             {python-version: "pypy3.8", toxenv: "pypy38"},
+            {python-version: "pypy3.9", toxenv: "pypy39"},
+            {python-version: "pypy3.10", toxenv: "pypy310"},
           ]
         include:
           - os: ubuntu-latest
@@ -27,7 +29,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.language.python-version }}
       - name: Install Python requirements

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310,311,312,py38},codestyle,lint,typecheck
+envlist = py{38,39,310,311,312,py38,py39,py310},codestyle,lint,typecheck
 
 [testenv]
 commands = pytest {posargs}