Bump actions/setup-node from 5 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5...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]>

Author: dependabot[bot]

.github/workflows/js-examples.yml

@@ -46,12 +46,12 @@ jobs:
       run: Xvfb :99 &
     - name: Setup Node Stable
       if: matrix.release == 'stable'
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: '22.x'
     - name: Setup Node Nightly
       if: matrix.release == 'nightly'
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: '22.x'
         registry-url: 'https://npm.pkg.github.com'

.github/workflows/link-check.yml

@@ -29,7 +29,7 @@ jobs:
           extended: true
 
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: '22.20.0'
           cache: 'npm'