Bump actions/checkout from 4.2.0 to 4.2.2 (#1726)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.0 to 4.2.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@d632683...11bd719)

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

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

Author: dependabot[bot]

.github/workflows/exercise-tests.yml

@@ -19,7 +19,7 @@ jobs:
         ruby-version: [3.2, 3.3]
 
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@c04af2bb7258bb6a03df1d3c1865998ac9390972