Support for 2024 edition

[kpcyrd]

Is your feature request related to a problem? Please describe.

I'm trying to switch to Rust 2024 Edition early to work around this problem:

https://brooksblog.bearblog.dev/rusts-sneaky-deadlock-with-if-let-blocks/

Right now cargo-deny does not support this yet:

[ERROR] failed to interpret `cargo metadata`'s json: unknown variant `2024`, expected one of `2015`, `2018`, `2021` at line 1 column 410427: unknown variant `2024`, expected one of `2015`, `2018`, `2021` at line 1 column 410427

Describe the solution you'd like

Support for 2024 edition :)

Describe alternatives you've considered

-

Additional context

Let me know if there's anything I can do.

Thanks!