chore(deps): update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         name: Checkout code
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v6
         name: Use Node.js ${{ matrix.node-version }}
         with:
           node-version: ${{ matrix.node-version }}