Adapte JiHu pipeline to fit RSpec predictive jobs

Background

Some of the steps of predictive jobs has been implemented in upstream, we have to tweak our pipeline templates to follow it.

Related Links

• Issue: Consider dynamic analysis test mapping to streamline test execution
• MR: ci: Generate RSpec predictive jobs dynamically
• MR: ci: Parallelize the 'rspec foss-impact' job

Todos

• keep JiHu minimal jobs?
• Set up test metadata for JiHu on upstream
• generate JiHu test mapping data
• convert JiHu minimal jobs into dynamical predictive jobs