chore(ci): update actions/setup-node action to v4 (#685)

Author: stainless-bot

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: '18'