Update actions/setup-node action to v6 (#73)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6.0.0
       - name: Setup Node.js
-        uses: actions/setup-node@v4.3.0
+        uses: actions/setup-node@v6.0.0
       - name: Setup pnpm
         uses: pnpm/action-setup@v4.1.0
         with: