chore(deps): bump actions/setup-node from 5.0.0 to 6.0.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           bundler-cache: true
       - name: Set up Node
-        uses: actions/setup-node@v5.0.0
+        uses: actions/setup-node@v6.0.0
       - name: Bootstrap
         run: script/bootstrap
         env: