Bump astral-sh/setup-uv from 7.6.0 to 8.0.0 (smithy-lang#675)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
         uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f
 
       - name: Install uv and set the Python version
-        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78
+        uses: astral-sh/setup-uv@cec208311dfd045dd5311c1add060b2062131d57
         with:
           python-version: ${{ matrix.python-version }}
           activate-environment: true