[deleteRows](https://github.com/hibernate/hibernate-reactive/blob/85a30caabba85847abed1ce8934df518b57254be/hibernate-reactive-core/src/main/java/org/hibernate/reactive/persister/collection/mutation/ReactiveUpdateRowsCoordinatorOneToMany.java#L120) returns a `CompletionStage`, but we are ignoring it in [doReactiveUpdate](https://github.com/hibernate/hibernate-reactive/blob/85a30caabba85847abed1ce8934df518b57254be/hibernate-reactive-core/src/main/java/org/hibernate/reactive/persister/collection/mutation/ReactiveUpdateRowsCoordinatorOneToMany.java#L72).