fix: add mising options for coverage_report type

Coverage report is wrongly typed, a purely string path is not enough for the the coverage report.

Example: https://git.panter.ch/panter/wink/abz-002/-/pipelines/178292 hash is expected

So option coverage_format and path are missing.

Gitlab doc: https://docs.gitlab.com/ee/ci/testing/test_coverage_visualization.html