chore(deps): update actions/setup-node action to v6 (#55)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
  steps:
  - uses: actions/checkout@v5
  - run: corepack enable
- - uses: actions/setup-node@v5
+ - uses: actions/setup-node@v6
  with:
  node-version: 22
  cache: "pnpm"