Update astral-sh/setup-uv digest to 681c641

Author: renovate[bot]

.github/actions/setup-uv/action.yml

@@ -29,7 +29,7 @@ runs:
   using: "composite"
   steps:
     - name: Install uv
-      uses: astral-sh/setup-uv@5a7eac68fb9809dea845d802897dc5c723910fa3 # v7
+      uses: astral-sh/setup-uv@681c641aba71e4a1c380be3ab5e12ad51f415867 # v7
       with:
         version: ${{ inputs.version }}
         enable-cache: true