ci: Deprecate Python 3.9, add testing on Python 3.13 (#129)

Author: kylebarron

.github/workflows/python-wheels.yml

@@ -249,7 +249,7 @@ jobs:
           path: dist
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.11
 
       - uses: pypa/gh-action-pypi-publish@release/v1
         with:

.github/workflows/test-python.yml

@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust