chore(deps): update astral-sh/setup-uv action to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-      - uses: astral-sh/setup-uv@v6
+      - uses: astral-sh/setup-uv@v7
       - run: uv sync --no-python-downloads
         shell: bash
       - run: uv run pytest