GHSA-vgr2-r5hm-f6gf: `sha-rst` was removed from crates.io for malicious code

Severity: Critical

CVSS Score: 10

This crate was used as a dependency by `finch_cli_rust` and `finch-rst` and contained a malware payload to exfiltrate credentials. The malicious crate had 1 version published on 2025-12-08 and had been downloaded 22 times. Other than the other crates above that were part of the attack, no other crates depedended on this crate. Thanks to Matthias Zepper of [NGI Sweden](https://ngisweden.scilifelab.se/) for reporting this to the crates.io team!