Bump actions/checkout (#342)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3df4ab11eba7bda6032a0b82a6bb43b11571feac to cd7d8d697e10461458bc61a30d094dc601a8b017.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@3df4ab1...cd7d8d6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           version: 28.2
 
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
+      - uses: actions/checkout@cd7d8d697e10461458bc61a30d094dc601a8b017 # v4.0.0
 
       - name: Run exercism/emacs-lisp ci (runs tests) for all exercises
         run: |

.github/workflows/configlet-sync.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
+      - uses: actions/checkout@cd7d8d697e10461458bc61a30d094dc601a8b017 # v4.0.0
 
       - name: Fetch configlet
         uses: exercism/github-actions/configlet-ci@main