chore(deps): update astral-sh/setup-uv action to v6 (#14)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
         id: setup-python
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
+      - uses: astral-sh/setup-uv@f0ec1fc3b38f5e7cd731bb6ce540c5af426746bb # v6
       - run: uv sync --no-python-downloads
         shell: bash
       - run: uv run pytest