Test on Python 3.13

Author: jarrodmillman

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos]
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13-dev"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}