build(deps): bump actions/checkout in the ci group across 1 directory

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


Updates `actions/checkout` from 4.1.7 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@692973e...eef6144)

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

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

.github/workflows/check.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v2
         with:

.github/workflows/sync-labels.yaml

@@ -17,7 +17,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: EndBug/label-sync@52074158190acb45f3077f9099fea818aa43f97a # v2.3.3
         with:
           # Configuration file