Bump actions/setup-node from 6 to 7

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 6 to 7.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v6...v7)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/09-node.js-matrix.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7.0.0
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm ci

.github/workflows/11-artifacts-caching.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v7.0.0
 
       - name: Setup Node.js with caching
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: 20
           cache: 'npm'