• make app pass the Reproducible Build check, it used for verify the apk 100% built from open source (issue #13, thx @IzzySoft)
• set jvmTarget from 11 to 17
• bundled git24j src code and fix some bugs

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• 使app可以通过重建验证，这将用来验证app百分百构建自开源代码 (issue #13, thx @IzzySoft)
• 修改 jvmTarget 从 11 到 17
• 内嵌 git24j 源代码并修复一些bug