Bump actions/checkout from 4.2.0 to 4.2.1 in the github-actions group

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


Updates `actions/checkout` from 4.2.0 to 4.2.1
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@d632683...eef6144)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/args.yaml

@@ -31,7 +31,7 @@ jobs:
       matrix:
         sdk: [dev]
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}
@@ -57,7 +57,7 @@ jobs:
         os: [ubuntu-latest]
         sdk: ['3.3', dev]
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}