Bump actions/checkout from 4.1.7 to 4.2.0

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]>

.github/workflows/markdown-linter.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Install mardownlint
         run: npm install -g [email protected]
       - name: Checkout project
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Execute markdownlint
         env:
           DIFF_URL: "${{github.event.pull_request.diff_url}}"