Upgrade: Bump actions/setup-node from 3 to 4

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] <support@github.com>

.github/workflows/doc-site-build-only.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           java-version: ${{ matrix.scala.java-version }}
           distribution: ${{ matrix.scala.java-distribution }}
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node.version }}
           registry-url: 'https://registry.npmjs.org'

.github/workflows/doc-site-publish.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           java-version: ${{ matrix.scala.java-version }}
           distribution: ${{ matrix.scala.java-distribution }}
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node.version }}
           registry-url: 'https://registry.npmjs.org'