build(deps): bump actions/checkout in the github-actions group

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


Updates `actions/checkout` from 2 to 4
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/nightly.yml

@@ -18,7 +18,7 @@ jobs:
     outputs:
       should_run: ${{ steps.should_run.outputs.should_run }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: print latest_commit
         run: echo ${{ github.sha }}