[FR]: Support build 4.0.0

[BetterB0y]

Is there an existing issue for this?

• I have searched the existing issues

Describe the problem

New version of build_runner is breaking flutter_gen.

Describe the solution

Update build

Additional context

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[AlexV525]

FYI, it seems you can safely override the version using dependency_overrides in this case.

[BetterB0y]

Hi. I know. It's not a problem for now. I suggested the change to be ready for the future.