Update astral-sh/setup-uv action to v8

Author: renovate[bot]

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
         sudo apt-get install -y ripgrep
     
     - name: Install uv
-      uses: astral-sh/setup-uv@v5
+      uses: astral-sh/setup-uv@v8.1.0
       with:
         version: "latest"