chore(ci): Use tox-uv to run tests

Author: effigies

.github/workflows/test.yml

@@ -57,6 +57,8 @@ jobs:
         run: |
           sudo apt update
           sudo apt install -y --no-install-recommends graphviz
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
@@ -65,14 +67,12 @@ jobs:
         run: python -c "import sys; print(sys.version)"
       - name: Install tox
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install tox tox-gh-actions
+          uv tool install --with=tox-uv --with=tox-gh-actions tox
       - name: Show tox config
         run: tox c
       - name: Run tox
         run: tox -v --exit-and-dump-after 1200
       - uses: codecov/codecov-action@v5
         with:
-          file: coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
         if: ${{ always() }}