Enhancement of role collection assignment with custom IdP

[lechnerc77]

Purpose

• This PR closes the current gap of user assignment with a custom IdP concerning the mapping of attributes or groups

Does the PR solve an issue

[ ] Yes - Please add issue number
[X] No

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[X] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Enhance one of the existing use cases to consider a custom IdP and add either a group- or an attribute mapping in the usecase.json
• Execute the use case

Note: Make sure to assign the JSON schemas provided with this PR to have support for the newly added attributes

What to Check

Verify that the following are valid

• The use case is executed successfully
• The user mapping to a custom IdP is executed successfully

Other Information

The enhancement is only relevant for role collection assignments possible via the BTP CLI. Cloud Foundry does not offer the concept of these mapping via the CF CLI.

[lechnerc77]

Successful integration test see https://github.com/SAP-samples/btp-setup-automator/actions/runs/4529682689