rspack support

### Pre-flight checklist

- [X] I have read the [contribution documentation](https://github.com/electron/forge/blob/main/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [code of conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project uses.
- [X] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

### Problem description

rspack is a faster "compatible" implementation of webpack

it will make a huge different to big projects

### Proposed solution

be able to choose a plugin rspack similar to webpack one

### Alternatives considered

use rspack outside forge

### Additional information

https://www.rspack.dev/