ci: bump actions/setup-node from 2 to 3

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2 to 3.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v2...v3)

---
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/gh-pages.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Checkout repo
       uses: actions/checkout@v2
     - name: Setup Node.js
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v3
       with:
         node-version: 16.x
         cache: 'yarn'