security/cargo-audit: Update version 0.21.2=>0.22.0

• Add PORTSCOUT

Changelog:
https://github.com/rustsec/rustsec/releases/tag/cargo-audit%2Fv0.22.0
(cherry picked from commit bb4e5fa9960c03c4df74589a4be0d88c2f4c3df4)

PR: 291851
MFH: 2025Q4
Approved by: portmgr blanket (runtime fix)