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

Author: renovate[bot]

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
       - name: setup Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install