chore(deps): bump actions/setup-node from 4 to 6 (#9758)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -170,7 +170,7 @@ jobs:
         fetch-tags: false
 
     - name: Setup Node.js environment
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 18.x
 

.github/workflows/tests.yml

@@ -104,7 +104,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: actions/setup-node@v4
+    - uses: actions/setup-node@v6
       with:
         node-version: '18'