chore(deps): update astral-sh/setup-uv action to v8 (#254)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
         id: setup-python
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
+      - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
       - run: uv sync --no-python-downloads
         shell: bash
       - run: uv run pytest