chore(rust): upgrade crates (#1657)

Upgrade Rust dependencies using `cargo upgrade` (from
[cargo-edit](https://github.com/killercup/cargo-edit)). It only upgrades
compatible dependencies. The following dependencies are not upgraded:

```
name    old req compatible latest new req note        
====    ======= ========== ====== ======= ====        
nix     0.27.1  0.27.1     0.29.0 0.27.1  incompatible
reqwest 0.11    0.11.27    0.12.8 0.11    incompatible
    Checking agama-lib's dependencies
name       old req compatible latest new req note        
====       ======= ========== ====== ======= ====        
cidr       0.2.3   0.2.3      0.3.0  0.2.3   incompatible
jsonschema 0.16.1  0.16.1     0.22.1 0.16.1  incompatible
zbus       3       3.15.2     4.4.0  3       incompatible
    Checking agama-locale-data's dependencies
name      old req compatible latest new req note        
====      ======= ========== ====== ======= ====        
quick-xml 0.28.2  0.28.2     0.36.2 0.28.2  incompatible
chrono-tz 0.8.6   0.8.6      0.10.0 0.8.6   incompatible
    Checking agama-server's dependencies
name        old req compatible latest new req note        
====        ======= ========== ====== ======= ====        
zbus        3       3.15.2     4.4.0  3       incompatible
tower-http  0.5.2   0.5.2      0.6.1  0.5.2   incompatible
tower       0.4.13  0.4.13     0.5.1  0.4.13  incompatible
gethostname 0.4.3   0.4.3      0.5.0  0.4.3   incompatible
```