Release 48.3

更新内容

1. 解决一些crash问题。

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smartdns帮助文档：https://pymumu.github.io/smartdns/
非静态版本下载：https://github.com/PikuZheng/smartdns/releases/
APK包安装方法：https://pymumu.github.io/smartdns/install/openwrt/

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What's Changed

• fix build warning by @sin5678 in #2411
• Fix serve_expired configuration logic in smartdns by @Aukansh in #2428

New Contributors

• @sin5678 made their first contribution in #2411

Full Changelog: proxy-server-0.2...Release48.3