chore(gha): Update actions/checkout from v3 to v4

[boidolr]

Check list

• [x] I have performed a self-review of my code
• [ ] I have commented my code in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation

Description

Resolve deprecation warnings for GitHub actions, see https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/

Type of change

• [ ] Bug fix
• [ ] New feature
• [x] Refactor
• [ ] Breaking change
• [ ] Documentation change

Test environment

• Shell
  • [ ] bash
  • [ ] zsh
  • [ ] fish
• OS
  • [ ] Linux
  • [ ] Mac OS X
  • [ ] Windows
  • [x] Others: GitHub Action runners