build(deps): Bump actions/checkout from 4.2.2 to 6.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.2 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@11bd719...de0fac2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/attest-and-deploy.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       # Checkout the repository
       - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
 
       - name: Setup Node.js
         uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238

.github/workflows/ci-cd.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
 
     - name: Setup Node.js
       uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238