Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 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/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Former-commit-id: bd9e8857bf

.github/workflows/cicd.yml

@@ -12,7 +12,7 @@ jobs:
 
         steps:
             - name: Checkout code
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Set up QEMU
               uses: docker/setup-qemu-action@v3

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Go
         uses: actions/setup-go@v6