[client-python] chore(deps): update astral-sh/setup-uv action to v8.1.0

Author: renovate[bot]

.github/workflows/coverage.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.0.0
+        uses: astral-sh/setup-uv@v8.1.0
         with:
           python-version: "3.12"