don't explicitly set up python

Author: eringrant

.github/workflows/test.yml

@@ -42,10 +42,6 @@ jobs:
           fi
           echo "Detected Python version: $version"
           echo "version=$version" >> $GITHUB_OUTPUT
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ steps.python-version.outputs.version }}
       - name: Install uv
         uses: astral-sh/setup-uv@v6
         with: