maker-deb config.depends has no effect

### 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 bug that matches the one I want to file, without success.

### Electron Forge version

6.0.4

### Electron version

18.3.6

### Operating system

Linux x64

### Last known working Electron Forge version

_No response_

### Expected behavior

config.depends should work.

### Actual behavior

config.depends not working.

### Steps to reproduce

forge.config.js:
```
makers: [
{
name: '@electron-forge/maker-deb',
config: {
depends: ['libopencv-dev']
}
}
]
```

### Additional information

Looks like the problem is here:
https://github.com/electron/forge/blob/main/packages/maker/deb/src/MakerDeb.ts#L42
https://github.com/electron-userland/electron-installer-debian/blob/main/src/installer.js#L173
https://github.com/electron-userland/electron-installer-common/blob/master/src/dependencies.js#L126
Here leaves an empty options object during initialization.
This makes the merge option use empty content.