Use Property API for extension configuration

expected:
```kts
val printBuildHealthProperty: Property<Boolean> = TODO()

dependencyAnalysis {
  reporting {
    printBuildHealth = printBuildHealthProperty
  }
}
```

actual:

```kts
val printBuildHealthProperty: Property<Boolean> = TODO()

dependencyAnalysis {
  reporting {
    printBuildHealth(printBuildHealthProperty.get())
  }
}
```

We would like to avoid the `.get()` - thanks!