Feature/path and share cache settings

What does this MR do?

Adds support for making S3 cache shared between runners and add a defined path part to the cache URL. Successor of !417 (closed).

Why was this MR needed?

Please read #1897 (closed) and !417 (closed) for a reference.

Are there points in the code the reviewer needs to double check?

Does this MR meet the acceptance criteria?

• Documentation created/updated
• Tests
  • Added for this feature/bug
  • All builds are passing
• Branch has no merge conflicts with master (if you do - rebase it please)

What are the relevant issue numbers?

Resolves #1897 (closed)