Bump actions/checkout from 5.0.0 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@08c6903...1af3b93)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Clone the repository
-      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
     - name: Ensure SHA pinned actions
       uses: zgosalvez/github-actions-ensure-sha-pinned-actions@9e9574ef04ea69da568d6249bd69539ccc704e74
 
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Clone the repository
-      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       with:
         ref: ${{ github.head_ref }} # https://github.com/stefanzweifel/git-auto-commit-action#checkout-the-correct-branch
         repository: ${{ github.event.pull_request.head.repo.full_name }}