Bump actions/setup-node from 3.8.1 to 4.0.1 (google#1386)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3.8.1 to 4.0.1.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@5e21ff4...b39b52d)

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

Author: dependabot[bot]

.github/workflows/markdown_linter.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d
+        uses: actions/setup-node@b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install dependencies