BIOP02-74 fix: PAM50 57.0% 라벨 역전 정정 — 일치율을 불일치율로 쓴 3곳 - #156

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/