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

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 20.18.2
           registry-url: https://registry.npmjs.org