⬆️ Update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/linting.yaml

@@ -21,7 +21,7 @@ jobs:
         run: pipx install poetry
       - name: 🏗 Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.1.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache: "poetry"