Refactored report annotations to AnnotationConverter and show related…

[mreiche]

Description

• Added support for Xray links.
• Requires Extension/annotation export testerra#117 to work.

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[martingrossmann]

Please also update the matrix of compatibility:
Xray 1.2 <-> Testerra 1.8

[mreiche]

Please also update the matrix of compatibility:
Xray 1.2 <-> Testerra 1.8

I would like to do that before release.