build(deps): 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](https://github.com/actions/setup-node/compare/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>

.github/workflows/tests.yml

@@ -93,7 +93,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
           node-version: "24"
 
@@ -120,7 +120,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install torch --index-url https://download.pytorch.org/whl/cpu
           pip install -r requirements-dev.txt
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
           node-version: "24"
           cache: npm