test on 3.13 and pypy 3.10

Author: graingert

.github/workflows/main.yaml

@@ -13,18 +13,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, '3.10', 3.11, 3.12, pypy-3.8, pypy-3.9]
+        python-version: [3.8, 3.9, '3.10', 3.11, 3.12, 3.13, pypy-3.8, pypy-3.9, pypy-3.10]
         os: [macOS-latest, ubuntu-latest, windows-latest]
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
 
       - name: Set Up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
+          allow-prereleases: true
           cache-dependency-path: |
             pyproject.toml
             setup.cfg