chore: Update actions/setup-node action to v6 (#152)

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

Author: renovate[bot]

.github/workflows/release.yml

@@ -66,7 +66,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: oven-sh/setup-bun@v2
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: '22.20.0'
           registry-url: 'https://registry.npmjs.org'