Update astral-sh/setup-uv action to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         with:
           python-version-file: pyproject.toml
 
-      - uses: astral-sh/setup-uv@v6
+      - uses: astral-sh/setup-uv@v7
         with:
           version: "0.9.28"
           enable-cache: true