Bump actions/checkout in the github_action-dependencies group

Bumps the github_action-dependencies group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 4.1.5 to 4.1.6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4.1.5...v4.1.6)

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

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

.github/workflows/openapi-validator.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4.1.5
+        uses: actions/checkout@v4.1.6
 
       - name: Set Node.js version
         uses: actions/setup-node@v4