Version 12.2 still doesn't support rustc < 1.77.0

## Bug Report

### Version

0.12.2

### Platform

x86_64 GNU/Linux

### Crates

tonic-build

### Description

There was a bug reported a week ago #1894. Now it's marked as closed because the revert #1898 was performed. The problem is that cargo fetches sources without that revert effect. Here is the output of my ```HOME/.cargo/registry/src/index*/tonic-build-0.12.2/.cargo_vcs_info.json```:
```
{
"git": {
"sha1": "82a856fea851cc20641572d61d51408ab37693b6"
},
"path_in_vcs": "tonic-build"
}
```

The same problem is with archives that are available under the tag https://github.com/hyperium/tonic/releases/tag/v0.12.2