BIOP02-146 fix: verify ROOT 하드코딩 제거 + UCEC 격리표시 (jamie 리뷰) - #140

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/