⬆️ Update astral-sh/uv to v0.11.9 (#61)

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

Author: renovate[bot]

.github/workflows/upstream-ci.yaml

@@ -144,7 +144,7 @@ jobs:
       - name: ⚡ Set up uv
         uses: astral-sh/setup-uv@v7
         with:
-          version: "0.11.8"
+          version: "0.11.9"
       - name: 🧰 Install test dependencies
         run: uv sync --no-dev
       - name: ✅ Run pytest