chore(deps): Update actions/setup-node action to v6 (#801)

Author: cq-bot

.github/workflows/prepare.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           token: ${{ secrets.GH_CQ_BOT }}
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: "lts/*"
           cache: "npm"

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Use Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "lts/*"
           cache: "npm"