Add new GitHub Actions questions

[josemalonsom]

PR Type

• [x] Adding new question(s)

  Warning: We do not support the inclusion of questions directly copied from official GitHub certification exams. Please only submit original questions and content that you have created.

• [ ] Other content changes (updating questions, answers, explanations or study resources)
• [ ] Code changes (non-content)
• [ ] Documentation changes
• [ ] Other

What's new?

4 new Github Actions questions are added

Related issue(s)

https://github.com/FidelusAleksander/ghcertified/issues/117