don't need pip cache

Author: drkane

.github/workflows/pythontest.yml

@@ -18,7 +18,6 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version-file: ".python-version"
-          cache: "pip"
       - name: Install dependencies
         run: uv sync --locked --all-extras --dev
       - name: ruff