Invert healthycode repo score and update scan_repo_health output

[ziadhany]

scan_repo_health Pipeline new output:

{
  "vcs_url": "https://github.com/expressjs/express.git",
  "scoring_model": "npm-health-0.1",
  "score": 1.0,
  "commit_range": {
    "first_commit": "9a7afb2886247603ebd69a1c8ee5d2f29542a6c0",
    "first_commit_date": "2025-09-25T07:20:45+02:00",
    "last_commit": "9a34acf03cb818ff3f8bc40e44176e277a25cbb9",
    "last_commit_date": "2026-09-15T19:52:26+02:00"
  },
  "run_start_date": "2026-09-22T13:50:27.766396+00:00",
  "run_end_date": "2026-09-22T13:50:29.824835+00:00",
  "metrics": {
    "active_branches": 33,
    "casual_regular_contributors_rate": 0.0,
    "coefficient_of_variation": 0.5622282292118119,
    "commit_size_added_lines": 3660,
    "commit_size_removed_lines": 2746,
    "commits_over_periods_rate": 1.0,
    "commits_per_month": 12.0,
    "commits_per_week": 2.8,
    "commits_per_year": 146.0,
    "contributor_growth": -3,
    "contributor_growth_rate": -0.1111111111111111,
    "days_since_last_commit": 6,
    "developer_categories_casual": 0,
    "developer_categories_core": 13,
    "developer_categories_regular": 30,
    "elephant_factor": 1,
    "file_types_binary": 0,
    "file_types_code": 58,
    "file_types_other": 203,
    "found_file_adopters": 0,
    "found_file_license": 1,
    "message_size_mean": 368.5821917808219,
    "message_size_median": 254,
    "message_size_total": 53813,
    "pony_factor": 3,
    "recent_commits": 146,
    "recent_contributors": 43,
    "recent_organizations": 8,
    "returning_contributors": 0,
    "total_commits": 146,
    "total_contributors": 43,
    "total_organizations": 8
  }
}

Changes:

• Invert the score so that 1 means healthy and 0 means unhealthy.
• Update the pipeline JSON output to include commit_range, run_start_date, and run_end_date, and sort metrics items

[keshav-space]

Thanks @ziadhany, LGTM!