ci(deps): bump actions/setup-node from 4 to 5

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 5.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@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] <[email protected]>

Author: dependabot[bot]

.github/workflows/update-syntaxes.yml

@@ -63,7 +63,7 @@ jobs:
 
 
     - name: "Install: Node LTS"
-      uses: actions/setup-node@v4  # https://github.com/marketplace/actions/setup-node-js-environment
+      uses: actions/setup-node@v5  # https://github.com/marketplace/actions/setup-node-js-environment
       with:
         node-version: "lts/*"  # required by mermaid