[auto] Update cargo dependencies

```console
$ cargo update
    Updating crates.io index
     Locking 3 packages to latest compatible versions
    Updating proc-macro2 v1.0.89 -> v1.0.92
    Updating syn v2.0.87 -> v2.0.89
    Updating unicode-ident v1.0.13 -> v1.0.14
note: pass `--verbose` to see 4 unchanged dependencies behind latest
```

Author: expressvpn-iat-bot