build(deps): Bump actions/setup-node from 1 to 4

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 1 to 4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...v4)

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

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

Author: dependabot[bot]

.github/workflows/unittest.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Node.js
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v4
         with:
           node-version: 16.x
       - run: npm install