RUSTSEC-2025-0007: *ring* is unmaintained

[github-actions]

ring is unmaintained

Details
Status	unmaintained
Package	ring
Version	0.17.8
URL	briansmith/ring#2414
Date	2025-02-20

The author has announced an indefinite hiatus in its development, noting that
any reported security vulnerabilities may go unaddressed for prolonged periods
of time.

See advisory page for additional details.

[Gelbpunkt]

It is maintained again, see rustsec/advisory-db#2230. I think this can be closed.