Allow separate authentication for different repositories

[neubs-bsi]

copied from internal repo. Inital reporter: @Martin-Idel-SI

Summary of the Feature

With #148 it is possible to allow downloading from a different repository, not just maven central.

It should be possible to allow separate authentication for the second repository.

Acceptance Criteria

• Introduce a config option to allow authentication to different repository in the MavenArtifactResolver
• Use authentication for download within repositories in all three ways of Download: MavenRuntimeRequester, MavenInvokerRequester and HttpRequester.

Definition of Done

• Acceptance criteria fulfilled
• A PR is created, the CI infrastructure reports green
• The PR is reviewed and approved
• No TODOs left in the code unless explained in the ticket, if something else is still open, this is summarized in a comment in the issue
• Test cases are created to prove the functionality of the feature
• Documentation is updated