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/lint.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: 20
       - name: Check that package-lock.json is valid JSON

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.version }}
       - run: npm ci