Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...3df4ab1)

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

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

* develop:
  Bump version and update CHANGELOG for core v2.7.0 (#11072)
  VRF-664:add Slack notification for VRF v2 Plus WASP test (#11063)
  fix several npm audit issues (#11080)
  Pass docker image and version to ClNode in E2E tests (#11082)
  core/internal/testutils/configtest: consolidate v2 and toml packages in to configtest (#11081)
  [BCF-2725] Add the repository name to the flakey test runner output (#11078)
  Bump breaking NPM deps (#11003)
  Fix redundant "replacing abandoned tx" logs (#11019)
  (chore): Reduce contracts solhint warnings by ignoring Functions v1.0.0 production code (#11069)
  (test): Add Functions test harnesses & additional foundry unit tests (#11011)
  Use correct git commit sha as build metadata from manual workflow dispatches (#11068)
  (chore): FUN-1024 - Deprecate Chainlink Functions v0 contract code (#11049)
  move testing contracts from integration-tests/contracts/ethereum/src to contracts/src/v0.8/automation/testhelpers (#11046)