chore(deps): update astral-sh/setup-uv action to v6.6.0 (#1255)

Co-authored-by: grafanarenovatebot[bot] <146220760+grafanarenovatebot[bot]@users.noreply.github.com>

Author: grafanarenovatebot[bot]

.github/workflows/reusable-zizmor.yml

@@ -361,7 +361,7 @@ jobs:
           fi
 
       - name: Setup UV
-        uses: astral-sh/setup-uv@d9e0f98d3fc6adb07d1e3d37f3043649ddad06a1 # v6.5.0
+        uses: astral-sh/setup-uv@4959332f0f014c5280e7eac8b70c90cb574c9f9b # v6.6.0
         with:
           enable-cache: true
           activate-environment: true