Update github workflow

.github/workflows/tests.yml

@@ -18,20 +18,20 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install tox
-        run: pip install tox
+        run: pip install tox-uv
       - name: Run tox
         # Run tox using the version of Python in `PATH`.
-        run: tox -e py-coverage
+        run: tox run -e py-coverage
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
         with:
 #          fail_ci_if_error: true
           files: ./coverage.xml