Bump actions/setup-node v4

Author: dnalborczyk

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     name: Build and test
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
       - run: npm install
       - run: npm test
       - run: npm run test:test262