feat(judge): 以 Claim 审查指纹结果（合约下沉 utils/jev），并恢复 Go 1.17 支持 - #35

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-go@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/