Bump actions/setup-node from 4 to 5 (#21903)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 5.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '5'
  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>

.github/workflows/samples-python-client-echo-api.yaml

@@ -29,7 +29,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Setup node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
       - name: Run echo server
         run: |
           git clone https://github.com/wing328/http-echo-server -b openapi-generator-test-server