build(deps): bump actions/setup-node from 3.8.1 to 4.0.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3.8.1 to 4.0.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v3.8.1...v4.0.0)

---
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>

.github/workflows/docs.yaml

@@ -36,7 +36,7 @@ jobs:
           mdbook-version: '0.4.32'
 
       - name: Install Node
-        uses: actions/setup-node@v3.8.1
+        uses: actions/setup-node@v4.0.0
         with:
           node-version: 18