https://github.com/ComPWA/ampform/pull/400 reintroduced `HelicityAmplitudeBuilder.set_dynamics()` in [v0.15](https://github.com/ComPWA/ampform/milestone/34) to allow backwards-compatibility with v0.14. This should be removed in [v0.16](https://github.com/ComPWA/ampform/milestone/44).
