net/rustconn: Update to 0.24.8

ChangeLog:

1. https://github.com/totoshko88/RustConn/releases/tag/v0.24.2
2. https://github.com/totoshko88/RustConn/releases/tag/v0.24.3
3. https://github.com/totoshko88/RustConn/releases/tag/v0.24.4
4. https://github.com/totoshko88/RustConn/releases/tag/v0.24.5
5. https://github.com/totoshko88/RustConn/releases/tag/v0.24.6
6. https://github.com/totoshko88/RustConn/releases/tag/v0.24.7
7. https://github.com/totoshko88/RustConn/releases/tag/v0.24.8

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