Bump actions/checkout from 4.1.7 to 4.2.0 (#349)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@692973e...d632683)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
     name: Check exercises
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Install CoffeeScript
         run: npm install -g jasmine-node coffeescript
       - name: Run tests