Bump actions/setup-node from 4 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
             uses: actions/checkout@v4
         -
             name: Set up Node.js
-            uses: actions/setup-node@v4
+            uses: actions/setup-node@v6
             with:
                 node-version: '21.x'
         -