mantra 0.7.3

`mantra` offers a lightweight approach for requirement tracing and coverage.
{
    "test_runs": [
        {
            "name": "usage-test",
            "date": "+002024-06-11T13:07:43.346392800Z",
            "nr_of_tests": 1,
            "data": {
                "binary": "target\\debug\\usage"
            },
            "logs": "",
            "tests": [
                {
                    "name": "traces::test::test_fn",
                    "filepath": "src/traces.rs",
                    "line": 8,
                    "state": "passed",
                    "covered_files": [{
                        "filepath": "src/traces.rs",
                        "covered_traces": [
                            {
                                "req_ids": ["other_id", "bad_id"],
                                "line": 7
                            },
                            {
                                "req_ids": ["main_id"],
                                "line": 1
                            }
                        ],
                        "covered_lines": []
                    }]
                }
            ]
        }
    ]
}