build: support uv.lock

Author: henryborchers

.github/workflows/tox_matrix.yml

@@ -21,6 +21,6 @@ jobs:
         env:
           PIP_EXTRA_INDEX_URL: ${{vars.PIP_EXTRA_INDEX_URL}}
       - name: Run tox
-        run: uv run --group tox --with tox-uv --no-dev tox run -e py -vvv
+        run: uv run --group tox --with tox-uv --no-dev tox run -e py -vvv --runner uv-venv-lock-runner
         env:
           PIP_EXTRA_INDEX_URL: ${{vars.PIP_EXTRA_INDEX_URL}}