chore(deps): bump actions/setup-node from 4 to 6 (#17)

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "20"