PipelinesFinder use git cached data

What does this MR do?

Avoid git calls and use cache data that probably always is on the cache

What are the relevant issue numbers?

Closes #19318 (closed)

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• [ ] Documentation created/updated
• [ ] API support added
• Tests
  • [ ] Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together Closes #19318 (closed)