Bump actions/setup-node from 3 to 4 (#5)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3 to 4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docs.yaml

@@ -40,7 +40,7 @@ jobs:
                   token: ${{ secrets.DOCS_GENERATOR_ACCESS_TOKEN }}
 
             - name: "Install Node"
-              uses: actions/setup-node@v3
+              uses: actions/setup-node@v4
               with:
                   node-version: 19.x
                   registry-url: 'https://registry.npmjs.org'