chore(deps): bump actions/setup-node from 4 to 6 (#1188)

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

Author: dependabot[bot]

.github/workflows/functional-test.yml

@@ -38,7 +38,7 @@ jobs:
     - uses: actions/checkout@v6
 
     - name: Install Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 'lts/*'
 
@@ -140,7 +140,7 @@ jobs:
         sudo apt-get install -y ffmpeg
 
     - name: Install Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 'lts/*'
 
@@ -272,7 +272,7 @@ jobs:
         python-version: 3.12
 
     - name: Install Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 'lts/*'