Android v1.8 기능 옮기기: 사람 소리, 쉬운 설정, Silero 조기 표시 (v2.1.0) - #7

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-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/