Update test matrix

Author: James Collins

{{cookiecutter.project_slug}}/.github/workflows/test.yml

@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/python-poetry-env