Bump actions/setup-node from 5.0.0 to 6.0.0 (#3527)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/gh-pages.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Set up Node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v5.0.0
+        uses: actions/setup-node@v6.0.0
         with:
           node-version: ${{ env.NODE_VERSION }}
       - uses: actions/setup-python@v6