Bump the gha group in /.github/workflows with 1 update

Bumps the gha group in /.github/workflows with 1 update: [actions/setup-node](https://github.com/actions/setup-node).

- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3.8.1...v4.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Checkout repository
         uses: actions/[email protected]
       - name: Setup Node
-        uses: actions/setup-node@v3.8.1
+        uses: actions/setup-node@v4.0.0
         with:
           node-version: "20.7.0"
           cache: "npm"