chore(deps): update astral-sh/setup-uv action to v6

Author: renovate[bot]

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
       uses: actions/checkout@v4  # https://github.com/actions/checkout
 
     - name: Install uv
-      uses: astral-sh/setup-uv@v5
+      uses: astral-sh/setup-uv@v6
       with:
         enable-cache: true