Following-up on #8330
Invocation
```bash
cargo-machete --with-metadata --skip-target-dir --fix
````
There is more stuff to fix, but it chokes on `async-lock`:
```
cargo-machete found the following unused dependencies in /x/Code/zed:
rpc -- /x/Code/zed/crates/rpc/Cargo.toml:
async_lock
prost_build
serde_derive
Error: Dependency async_lock not found
```
Release Notes:
- N/A