chore(deps): upgrade astral-sh/setup-uv action to v7 (#160)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

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

@@ -23,7 +23,7 @@ runs:
   using: "composite"
   steps:
     - name: "Install uv"
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@v7
       with:
         enable-cache: true