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/test.yml

@@ -80,7 +80,7 @@ jobs:
         run: >
           docker run -d -i -p 5001:8000
           ${{ steps.docker-build-test.outputs.imageid }}
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Install Playwright Browsers
@@ -110,7 +110,7 @@ jobs:
           && github.event.pull_request.user.login != 'dependabot[bot]'
         run: echo "enabled=1" >> "$GITHUB_OUTPUT"
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: '22'
       - run: npm install